Introduction & Inspiration
There’s something incredibly satisfying about food cooked on skewers, especially when it involves tender, flavorful steak and perfectly charred vegetables hot off the grill. These Rosemary Garlic Steak Kebabs, featuring sirloin steak, baby potatoes, and grape tomatoes, all infused with a rosemary-garlic balsamic marinade, immediately make me think of delicious outdoor gatherings and easy, elegant meals.
My inspiration for developing a method for these kebabs comes from the vibrant ingredient list you’ve provided. The combination of savory steak, fresh rosemary and garlic, sweet honey, tangy balsamic vinegar, and whole grain mustard promises a complex and delightful flavor profile. Serving these alongside tender baby potatoes and burst grape tomatoes on a skewer sounds like a complete, flavorful meal.
My goal is to guide you through a suggested method for creating these impressive kebabs, from preparing the marinade and par-boiling the potatoes to grilling them until beautifully caramelized and cooked through. This recipe, once assembled, seems ideal for summer barbecues, weeknight grilling, or any occasion that calls for a fun, flavorful, and relatively easy main course.
Let’s get ready to marinate, skewer, and grill these fantastic steak kebabs!
Nostalgic Appeal / Comfort Food Connection
Kebabs or skewers are a universally loved way to cook and eat, holding a special nostalgic appeal for many. They evoke memories of backyard barbecues with family and friends, summer cookouts, camping trips, or festive street food from various cultures. There’s an inherent fun and casualness to eating food threaded onto a stick.
The flavor profile of rosemary, garlic, and balsamic-glazed steak also taps into comforting, slightly rustic, and often Mediterranean or Italian-inspired culinary themes. It feels both sophisticated and deeply satisfying. Roasted potatoes and tomatoes are classic comfort food accompaniments to steak.
Making kebabs at home, from marinating the meat to carefully threading each skewer and grilling them outdoors, is a satisfying ritual that connects us to the simple pleasures of cooking over an open flame.
These Rosemary Garlic Steak Kebabs offer a delightful blend of familiar grilling traditions and sophisticated yet comforting flavors.
Homemade Focus (Fresh Marinade & Perfect Grilling)
This recipe for Rosemary Garlic Steak Kebabs, even with inferred instructions, champions homemade cooking by focusing on creating a flavorful marinade from scratch and carefully grilling fresh ingredients to perfection. You’re taking quality sirloin, fresh vegetables, and pantry staples and transforming them into a delicious, cohesive meal.
I love recipes where a homemade marinade does the heavy lifting for flavor. By whisking together olive oil, balsamic vinegar, honey, whole grain mustard, fresh minced garlic, chopped rosemary, salt, and pepper, you create a vibrant, tangy-sweet-savory marinade that will beautifully tenderize and flavor the steak and potatoes. Reserving some of this fresh marinade (before it touches raw meat!) for basting is a key homemade technique for layering flavor.
Par-boiling the baby potatoes before skewering is another important homemade step to ensure they cook through on the grill at the same rate as the steak and tomatoes. The process of assembling the colorful skewers is a satisfying, hands-on part of the homemade experience.
From crafting the marinade to grilling and basting the kebabs, every (suggested) step emphasizes fresh preparation and the rewarding results of cooking a complete meal on the grill.
Flavor Goal
The primary flavor goal of these Rosemary Garlic Steak Kebabs is a delightful harmony of savory, tender steak, slightly sweet and tangy balsamic-honey glaze infused with rosemary and garlic, tender par-boiled and then charred potatoes, and sweet, burst grape tomatoes. It aims for a balanced, aromatic, and satisfying grilled meal.
The sirloin steak, marinated and grilled, should be juicy and flavorful, with a nice char on the exterior.
The baby potatoes, par-boiled then grilled, will be tender on the inside and slightly crispy and glazed on the outside.
The grape tomatoes, when grilled, become sweeter and slightly softened, bursting with juicy flavor.
The marinade/glaze, featuring balsamic vinegar, honey, olive oil, whole grain mustard, fresh rosemary, and garlic, provides a complex sweet, tangy, savory, and herbaceous coating that caramelizes beautifully on the grill.
The overall effect should be a vibrant, multi-textured kebab bursting with fresh, aromatic, and slightly smoky flavors.
Ingredient Insights
Let’s explore the roles of the provided ingredients:
- Sirloin steak: A good choice for kebabs as it’s relatively lean but tender enough when not overcooked and cut properly against the grain into cubes. Flank steak or even beef tenderloin (for a splurge) could also work.
- Baby potatoes: Small potatoes that can be skewered whole or halved after par-boiling. Par-boiling ensures they are tender inside after grilling.
- Garlic cloves, minced & Rosemary, fresh, chopped: These are the primary fresh aromatics for the marinade, providing pungent and piney/herbaceous notes.
- Grape tomatoes, whole: Add sweetness, acidity, and color. They char nicely on the grill.
- Balsamic vinegar: Provides tangy depth and sweetness to the marinade/glaze.
- Honey: Adds sweetness to balance the vinegar and helps with caramelization.
- Mustard, whole grain: Adds a tangy, pungent kick and helps emulsify the marinade.
- Olive oil: Forms the base of the marinade, helps with browning and prevents sticking.
- Pepper & Salt: Essential seasonings.
- Metal or wooden skewers: If using wooden/bamboo, they MUST be soaked in water for at least 30 minutes before use to prevent burning on the grill.
Fresh rosemary and garlic are key for the aromatic profile.
Essential Equipment
For these grilled kebabs, you’ll primarily need:
- An Outdoor Grill (gas or charcoal) or a heavy-duty Grill Pan for stovetop use.
- Skewers (6 count specified, metal or wooden/bamboo). If using wood, a shallow dish for soaking them.
- A Medium pot: For par-boiling the baby potatoes.
- A Large bowl or large resealable plastic bag: For marinating the steak and potatoes.
- A Small bowl: For whisking the marinade and reserving a portion for basting.
- A Whisk.
- A Cutting board and sharp knife: For cubing steak, prepping garlic/rosemary, and halving potatoes if needed.
- Tongs: Essential for turning the kebabs on the grill.
- A Pastry brush: For basting the kebabs with reserved marinade.
- Measuring cups and spoons.
- An instant-read thermometer (optional but helpful): For checking steak doneness.
Properly soaked wooden skewers or sturdy metal skewers are important.
List of Ingredients with Measurements
Here’s the complete list of ingredients, with precise measurements as you provided:
Meat & Produce:
- 14 oz Sirloin steak, cut into 1 to 1.5-inch cubes
- 1 1/2 lbs Baby potatoes, halved or quartered if large
- 3 cloves Garlic, minced
- 2 cups Grape tomatoes, whole
- 2 tbsp Rosemary, fresh, chopped
Marinade/Glaze & Seasonings:
- 1/2 cup Balsamic vinegar
- 2 tbsp Honey
- 1 tbsp Mustard, whole grain
- 1/3 cup Olive oil
- Pepper to taste (e.g., ½ tsp freshly ground black pepper)
- Salt to taste (e.g., 1 tsp kosher salt)
Other:
- 6 Metal or wooden skewers (if wooden, soak in water for 30+ minutes)
These quantities should yield 6 flavorful kebabs.
Cube steak and prep potatoes before making the marinade.

Step-by-Step Instructions (Suggested Method)
Since instructions weren’t provided, here’s a suggested method for making these delicious kebabs:
1. Par-boil Potatoes:
- Wash the baby potatoes. Halve or quarter them if they are larger than bite-sized.
- Place the potatoes in a medium pot and cover with cold, salted water. Bring to a boil and cook for 5-7 minutes, or until they are just slightly tender but still firm (par-boiled). You should be able to pierce them with a fork but they shouldn’t be fully soft.
- Drain the potatoes well and let them cool slightly.
2. Prepare the Marinade:
- In a small bowl, whisk together the olive oil, balsamic vinegar, honey, whole grain mustard, minced garlic, chopped fresh rosemary, salt, and pepper until well combined.
- Important: Reserve about 1/4 cup of this fresh marinade in a separate clean container or jar. Cover and set aside at room temperature for basting the kebabs later. This reserved portion should not touch the raw meat.
3. Marinate Steak and Potatoes:
- Cut the sirloin steak into uniform 1 to 1.5-inch cubes.
- Place the cubed steak and the slightly cooled, par-boiled potatoes in a large bowl or a large resealable plastic bag.
- Pour the remaining (larger) portion of the marinade over the steak and potatoes. Toss gently to ensure everything is evenly coated.
- Cover the bowl or seal the bag and refrigerate for at least 30 minutes, or up to 4 hours, to allow the flavors to infuse. (Do not marinate grape tomatoes for long, as they can become too soft; they can be added to skewers directly).
4. Prepare Grill and Assemble Kebabs:
- If using wooden skewers, ensure they have soaked in water for at least 30 minutes.
- Preheat your outdoor grill (or grill pan) to medium-high heat. Lightly oil the grill grates to prevent sticking.
- Remove the steak and potatoes from the marinade, letting any excess marinade drip off. Discard the used marinade that touched the raw meat.
- Thread the marinated steak cubes, par-boiled potato pieces, and whole grape tomatoes alternately onto the skewers. You might also thread some of the minced garlic pieces from the marinade if desired, or larger pieces of rosemary if you kept some sprigs.
5. Grill the Kebabs:
- Place the assembled kebabs on the preheated, oiled grill grates.
- Grill for approximately 8-12 minutes total, turning the kebabs every 2-3 minutes for even cooking and charring on all sides.
- During the last 3-4 minutes of grilling, brush the kebabs with the reserved (unused) marinade you set aside earlier.
- Steak is done when cooked to your desired doneness (e.g., 130-135°F for medium-rare, 140-145°F for medium). Potatoes should be tender and slightly charred, and tomatoes should be softened and slightly blistered.
6. Rest and Serve:
- Remove the cooked kebabs from the grill and transfer them to a clean platter. Let them rest for 5 minutes before serving.
- Serve hot, garnished with extra fresh rosemary sprigs if desired.
Careful grilling and basting create beautifully caramelized kebabs!

Troubleshooting
Grilling kebabs can sometimes be challenging:
- Problem: Steak is tough or dry.
- Solution: Don’t overcook sirloin! It’s best at medium-rare to medium. Use an instant-read thermometer. Ensure pieces are uniform. Marinating helps, but overcooking lean cuts on high heat can dry them out. Resting after grilling is crucial.
- Problem: Potatoes are still hard in the center.
- Solution: Ensure potatoes were adequately par-boiled before skewering. If they are cut too large, they won’t cook through on the grill at the same rate as the steak.
- Problem: Ingredients fall off skewers or skewers burn.
- Solution: Soak wooden skewers thoroughly. Don’t force ingredients on too tightly, but ensure they are secure. Use two parallel skewers for larger or more delicate items if needed. Metal skewers eliminate burning.
- Problem: Marinade for basting burns quickly on the grill.
- Solution: The honey and balsamic in the marinade can cause it to caramelize and burn if the heat is too high or if basted too early. Baste primarily during the last few minutes of cooking, and ensure grill heat is medium-high, not scorching.
Par-boiling potatoes and soaking skewers are important prep steps.
Tips and Variations
Let’s customize these delicious grilled kebabs:
- Tip: For the most tender steak, always slice leftover kebab meat (if any) against the grain after removing from skewers.
- Variation: Add other quick-grilling vegetables to the skewers like chunks of bell pepper (any color), red onion wedges, zucchini, or cherry tomatoes (as listed!). Note: The recipe already includes tomatoes and mentions onions/peppers in marinade components for flavor.
- Tip: If you don’t have fresh rosemary, you can use about 2 teaspoons of dried rosemary in the marinade, but fresh is far more aromatic for grilling.
- Variation: Substitute chicken thighs or pork tenderloin (cut into cubes) for the sirloin steak. Adjust marinating and grilling times accordingly.
- Tip: If using an indoor grill pan, you may need to cook in batches and might not achieve the same smoky char, but they’ll still be delicious.
- Variation: Add a teaspoon of Dijon mustard or whole grain mustard (as listed in ingredients – oops, recipe lists whole grain, I should have assumed it was for marinade! Re-integrating) to the marinade for extra tang and emulsification. Corrected: Original ingredients do list whole grain mustard – ensure it’s in the marinade!
- Variation: For a different flavor profile, try a lemon-herb marinade or a spicy chipotle-lime marinade.
A fantastic base for many grilled skewer combinations!
Serving and Pairing Suggestions
These Rosemary Garlic Steak Kebabs are a fantastic main course for outdoor dining or a flavorful weeknight meal.
Serving: Serve hot, directly from the grill, allowing everyone to grab their own skewers.
Pairing:
- Grains: Serve alongside or over fluffy couscous, quinoa, rice pilaf, or orzo.
- Salad: A simple Greek salad, a Caprese salad, or a mixed green salad with a light vinaigrette provides a refreshing contrast.
- Bread: Warm pita bread or crusty bread is great for enjoying with the kebabs.
- Dipping Sauce (Optional): While the marinade provides great flavor, a side of tzatziki sauce or a simple yogurt-herb dip could be nice.
- Beverage: Pairs well with a medium-bodied red wine like Merlot or Cabernet Sauvignon, or a crisp lager or IPA. Drink with moderation.
Perfect for a casual, interactive meal experience.
Nutritional Information
This dish features lean steak and vegetables. Nutritional info is approximate (per kebab, assuming 6 kebabs and marinade absorption):
- Calories: 300-450
- Fat: 15-25 grams (from olive oil and steak)
- Saturated Fat: 4-8 grams
- Cholesterol: 60-90 mg
- Sodium: 300-500+ mg (depends on added salt and balsamic/mustard)
- Total Carbs.: 20-30 grams (mostly from potatoes and honey)
- Dietary Fiber: 3-5 grams
- Sugars: 8-15 grams (from honey and balsamic)
- Protein: 25-35+ grams
A good source of protein, providing vegetables and carbohydrates from the potatoes. The marinade contributes sugars and some fat.
PrintRosemary Garlic Steak Kebabs
Grill up these delicious Rosemary Garlic Steak Kebabs! Features tender sirloin, baby potatoes, and grape tomatoes in a balsamic-honey-mustard marinade. Perfect for BBQs!
Ingredients
Here’s the complete list of ingredients, with precise measurements as you provided:
Meat & Produce:
- 14 oz Sirloin steak, cut into 1 to 1.5-inch cubes
- 1 1/2 lbs Baby potatoes, halved or quartered if large
- 3 cloves Garlic, minced
- 2 cups Grape tomatoes, whole
- 2 tbsp Rosemary, fresh, chopped
Marinade/Glaze & Seasonings:
- 1/2 cup Balsamic vinegar
- 2 tbsp Honey
- 1 tbsp Mustard, whole grain
- 1/3 cup Olive oil
- Pepper to taste (e.g., ½ tsp freshly ground black pepper)
- Salt to taste (e.g., 1 tsp kosher salt)
Other:
- 6 Metal or wooden skewers (if wooden, soak in water for 30+ minutes)
These quantities should yield 6 flavorful kebabs.
Cube steak and prep potatoes before making the marinade.
Instructions
Since instructions weren’t provided, here’s a suggested method for making these delicious kebabs:
1. Par-boil Potatoes:
- Wash the baby potatoes. Halve or quarter them if they are larger than bite-sized.
- Place the potatoes in a medium pot and cover with cold, salted water. Bring to a boil and cook for 5-7 minutes, or until they are just slightly tender but still firm (par-boiled). You should be able to pierce them with a fork but they shouldn’t be fully soft.
- Drain the potatoes well and let them cool slightly.
2. Prepare the Marinade:
- In a small bowl, whisk together the olive oil, balsamic vinegar, honey, whole grain mustard, minced garlic, chopped fresh rosemary, salt, and pepper until well combined.
- Important: Reserve about 1/4 cup of this fresh marinade in a separate clean container or jar. Cover and set aside at room temperature for basting the kebabs later. This reserved portion should not touch the raw meat.
3. Marinate Steak and Potatoes:
- Cut the sirloin steak into uniform 1 to 1.5-inch cubes.
- Place the cubed steak and the slightly cooled, par-boiled potatoes in a large bowl or a large resealable plastic bag.
- Pour the remaining (larger) portion of the marinade over the steak and potatoes. Toss gently to ensure everything is evenly coated.
- Cover the bowl or seal the bag and refrigerate for at least 30 minutes, or up to 4 hours, to allow the flavors to infuse. (Do not marinate grape tomatoes for long, as they can become too soft; they can be added to skewers directly).
4. Prepare Grill and Assemble Kebabs:
- If using wooden skewers, ensure they have soaked in water for at least 30 minutes.
- Preheat your outdoor grill (or grill pan) to medium-high heat. Lightly oil the grill grates to prevent sticking.
- Remove the steak and potatoes from the marinade, letting any excess marinade drip off. Discard the used marinade that touched the raw meat.
- Thread the marinated steak cubes, par-boiled potato pieces, and whole grape tomatoes alternately onto the skewers. You might also thread some of the minced garlic pieces from the marinade if desired, or larger pieces of rosemary if you kept some sprigs.
5. Grill the Kebabs:
- Place the assembled kebabs on the preheated, oiled grill grates.
- Grill for approximately 8-12 minutes total, turning the kebabs every 2-3 minutes for even cooking and charring on all sides.
- During the last 3-4 minutes of grilling, brush the kebabs with the reserved (unused) marinade you set aside earlier.
- Steak is done when cooked to your desired doneness (e.g., 130-135°F for medium-rare, 140-145°F for medium). Potatoes should be tender and slightly charred, and tomatoes should be softened and slightly blistered.
6. Rest and Serve:
- Remove the cooked kebabs from the grill and transfer them to a clean platter. Let them rest for 5 minutes before serving.
- Serve hot, garnished with extra fresh rosemary sprigs if desired.
Careful grilling and basting create beautifully caramelized kebabs
Recipe Summary and Q&A
Let’s conclude with a summary and common questions:
Recipe Summary:
Rosemary Garlic Steak Kebabs feature cubes of sirloin steak and par-boiled baby potatoes marinated in a mixture of olive oil, balsamic vinegar, honey, whole grain mustard, minced garlic, chopped fresh rosemary, salt, and pepper. The marinated steak and potatoes are threaded onto skewers with whole grape tomatoes and then grilled until the steak is cooked to desired doneness and the vegetables are tender and charred, basting with reserved marinade during the final minutes.
Q&A:
Q: How long should I marinate the steak and potatoes? A: At least 30 minutes is good for some flavor infusion, but 2-4 hours in the refrigerator is even better. Don’t marinate beef in acidic marinades for excessively long periods (e.g., over 8-12 hours) as it can affect texture.
Q: Can I prepare these kebabs ahead of time? A: Yes. You can marinate the steak and potatoes overnight. Assemble the skewers a few hours before grilling and keep them refrigerated. Grill just before serving.
Q: How do I store leftover cooked kebabs? A: Remove ingredients from skewers and store in an airtight container in the refrigerator for up to 3 days.
Q: How do I reheat leftovers? A: Reheat gently to avoid overcooking the steak. Use the microwave briefly, or warm them in a skillet over low heat or in a low oven.
Q: Do I have to par-boil the baby potatoes? A: It is highly recommended. Baby potatoes, even small ones, take longer to cook through on a grill than steak cubes and grape tomatoes. Par-boiling ensures they are tender inside when the steak is perfectly cooked.
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