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Home » Weeknight Meals » Keto Meals

Low-Carb Keto Grilled Sirloin Steak Kabobs

by lena

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Fire up the grill for these bright and flavorful Low-Carb Keto Grilled Sirloin Steak Kabobs. Marinated Sirloin Steak cooks beautifully next to peppers and onions to create a summer-ready main dish. Pair it with all of your keto-friendly sides!

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grilled steak kabobs with red and yellow peppers on a piece of brown paper

Grilling season has arrived! A few of these Low-Carb Keto Grilled Sirloin Steak Kabobs on your plate next to tender vegetables and a glass of red wine is the perfect end to a hot summer day.

This is a really easy, low carb and keto meal you can throw together in minutes for dinner or to prepare ahead of time. Marinated Sirloin Steak kabobs are grilled alongside peppers and onions for a flavorful and delicious main dish you can serve with a Brussels Sprouts Salad, Baked Asparagus, or Grilled Shrimp.

Every bite of these kabobs is tender, fresh, and bright thanks to the easy marinade. It’s the perfect go-to summer recipe you can prepare in the morning and throw on the grill for a few minutes in the evening.

What beef is best for kabobs?

The best cut of beef for kabobs is sirloin because it’s tender, lean, and doesn’t need hours of marinating to taste great. As a bonus, it’s budget-friendly! Some other good options are Flat Iron, Strip Steak, or Chuck Steak.

close up on grilled steak kabobs with red and yellow peppers on a piece of brown paper

Marinating steak for kabobs

The steak for these kabobs will sit in a simple marinade for a minimum of 30 minutes. The blend of soy sauce, balsamic vinegar, Worcestershire, oil, and spices infuse vibrant and tangy flavors that help the grilled steak shine.

Steak can marinate for up to 8 hours but I don’t recommend leaving it any longer. This can make the fibers of the meat break down slightly and taste mealy.

Ingredients you’ll need

  • Sirloin Steak – This tender and juicy marinated steak gets even better after it’s been grilled.
  • Red onion and peppers – Cut into 1 inch pieces, the onions and peppers grilled next to the steak will soften and have great flavors once they’re done cooking.
  • Steak marinade – This strong and tangy marinade cuts right through the steak, infusing deep flavors into each piece. A mix of soy sauce, balsamic vinegar, Worcestershire sauce, and some Italian seasonings is all you need.
small white bowls holding raw steak, cut yellow and red peppers, red onions, and dark sauces

How to make grilled keto steak kabobs

  1. Marinate the steak: Add the steak cubes to a Ziploc bag with the marinade ingredients. Seal the bag and let the steak marinate in the fridge for up to 8 hours.
  2. Assemble the kabobs: Thread the steak, onion, and bell peppers onto each skewer, alternating as you go. Brush each kabob with olive oil and season with salt and pepper.
  3. Grill the kabobs: Place kebabs directly on the grill and cook until the desired degree of doneness. Serve with your favorite sides and enjoy!

Can you cook beef kabobs in the oven?

Nothing says summer like grilled beef kabobs but you’re more than welcome to cook them in the oven instead. To do so, marinate the meat and assemble the kabobs. Then place them on a parchment-lined baking sheet with a cooling rack. Cook the kabobs in a 425ºF oven for 10 to 15 minutes or until they reach your desired level of doneness.

How can you tell the steak is cooked?

The best way to tell if your steak is cooked to your liking is by using an instant-read thermometer.

Remember that steak continues to cook a little after it comes off the heat. Let it rest on a cutting board when it’s 5 degrees away from being where you like.

a white plate holding 4 grilled steak kabobs with red and yellow peppers and red onion

Tips and tricks

  • Let the steak come down to room temperature before grilling. Once it’s done marinating, place the steak on the kitchen counter for about 20 to 30 minutes. Letting it come down in temperature prevents the meat from seizing and ensures it cooks evenly.
  • If using wooden skewers, let them soak in water for at least 30 minutes to prevent them from burning on the grill.
  • Go ahead and add more veggies if you want! Add on mushrooms, zucchini, squash, tomatoes, and white or sweet potatoes.
  • If you prefer your veggies to be more crisp, make sure they’re spaced apart from the meat on the skewer. The tighter they’re packed, the softer they’ll become.

What to serve with keto steak kabobs

  • Grilled or Baked Asparagus
  • Cauliflower Mash
  • Italian Shaved Zucchini Salad
  • Topped with Chimichurri or Romesco Sauce
  • Tomato Burrata Salad
close up on a small piece of cut steak next to grilled beef kabobs

More summer grilling recipes

  • Salmon and Tomato Skewers
  • Garlic Grilled Shrimp
  • Flank Steak with Peach Salsa
  • Grilled Smashed Potato Salad

Did you remake these Low-Carb Keto Grilled Sirloin Steak Kabobs? Don’t forget to tell me what you think in the comments below, or share a picture on Instagram! I love to share all of your recreations on my page.

Low-Carb Keto Grilled Sirloin Steak Kabobs

4.9 from 8 votes
Prep Time: 10 mins
Cook Time: 10 mins
Marinate Time: 30 mins
Servings: 4 servings
Author: Lena Gladstone
Print Recipe Pin Recipe Rate this Recipe
Fire up the grill for these bright and flavorful Low-Carb Keto Grilled Sirloin Steak Kabobs. Marinated sirloin steak cooks beautifully next to peppers and onions to create a summer-ready main dish. Pair it with all of your keto-friendly sides!

Ingredients

Kabobs

  • 1 ½ lb Sirloin Steak trimmed and cut into 1 ¼-inch cubes
  • 1 small red onion cut into 1-inch pieces
  • 2 medium bell peppers mixed colors, cut into 1-inch pieces
  • 1 tsp kosher salt for veggies
  • 1 tbsp olive oil for brushing kebabs

Steak Marinade

  • ¼ cup soy sauce
  • ¼ cup balsamic vinegar
  • 2 tbsp Worcestershire sauce
  • 1 tsp garlic powder
  • 1 tsp dried Italian seasoning
  • 1 tsp kosher salt

Instructions

  • Cut the steak into 1 ¼-inch cubes. Add to a shallow bowl and set aside.
  • In a large ziplock bag, add the steak and all of the marinade ingredients together. Move the bag around to ensure each piece of meat is covered. Let it marinate for at least 30 minutes (or up to 8 hours) in the fridge.
  • Preheat the grill to medium-high heat (400-450℉).
  • Assemble the kabobs by threading the steak, onions, and bell peppers onto the skewers*, alternating as you go. Brush with olive oil and salt the veggies.
  • Place the kabobs directly on the grate of the preheated grill and cook for 4-5 minutes per side until the desired degree of doneness.
  • Serve with a side salad or your favorite sides.

Oven Instructions

  • Marinate the meat and assemble the kabobs. Then place them on a parchment-lined baking sheet with a cooling rack. Cook the kabobs in a 425ºF oven for 10 to 15 minutes or until they reach your desired level of doneness.

Notes

* If using wooden skewers, soak them in water for at least 30 minutes to prevent them from burning on the grill.
The best way to tell if your steak is cooked to your liking is by using an instant- read thermometer.
Course: Dinner, Main Course
Cuisine: American
Keyword: 30 minute meal, grill, grilled, grilled recipe, kabobs, keto, keto dinner, steak, summer

Nutrition

Calories: 323kcal | Carbohydrates: 12g | Protein: 40g | Fat: 12g | Saturated Fat: 3g | Cholesterol: 104mg | Sodium: 2161mg | Potassium: 880mg | Fiber: 2g | Sugar: 7g | Vitamin A: 1879IU | Vitamin C: 79mg | Calcium: 84mg | Iron: 4mg

You might also like:
Air Fryer Chicken Thighs with Honey Soy Glaze
10-Minute Sweet and Smoky Oven Baked Salmon
Spicy Smoky Red Chimichurri Sauce
French Onion Chicken Meatballs (Low Carb)

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Recipe Rating




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Comments

  1. Rehoboth

    at

    5 stars
    Excellent post

    Reply
    • lena

      at

      Thank you

  2. Bee

    at

    5 stars
    I am a huge steak lover so I know this is going on my menu for the weekend. I love how simple and easy the marinade is and all those vegetables make for one beautiful kebob! Perfect for summer backyard parties too!

    Reply
    • lenaskitchen

      at

      Ohh I’m so excited to see you try it. Have you tried my other steak recipes yet? I’ve got some great ones to try too.

  3. Chrissie Baker

    at

    5 stars
    This recipe makes my mouth water just looking at the pictures.Simple step and I can make a delicious food in my own home, thanks very much.

    Reply
    • lenaskitchen

      at

      Thank you so much for your sweet words, Chrissie. It’s such a good recipe to try.

    • lena

      at

      I love this recipe so much, one of my favorites. So happy you loved it too.

  4. Neli Howard

    at

    5 stars
    These sound and look so tasty! And that marinade – I actually have all those ingredients in my pantry – YAY!

    Reply
    • lenaskitchen

      at

      Thank you, Neli. I love being able to use simple pantry ingredients to create recipes you can enjoy over and over. The steak was so juicy and delicious.

    • lena

      at

      Oh! I’m so glad you enjoyed it! It’s one of our absolute favorites.

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Welcome, glad you’re here!

Hi, I’m Lena Gladstone, the recipe developer and food photographer behind Lena’s Kitchen. Here you will find approachable food recipes to share with the whole family. Keto friendly, weeknight dinners all made with fresh ingredients. Click here to learn more!

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Air Fryer Chicken Thighs with Honey Soy Glaze
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Spicy Smoky Red Chimichurri Sauce
French Onion Chicken Meatballs (Low Carb)

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