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Close-up of sliced grilled sirloin steak on a dark surface, topped with coarse salt and chopped fresh herbs. The meat appears juicy and tender, with a pink center and seared edges.
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Marinated Grilled Sirloin Steak

This Marinated Grilled Sirloin Steak comes off the grates tender and juicy. A brown sugar and balsamic marinade does the heavy lifting, and a high, fast sear does the rest. It's steakhouse flavor on a Tuesday-night budget. You can have it on the table after less than ten minutes of cook time.
Course Main Course
Cuisine American
Diet Gluten Free
Prep Time 5 minutes
Cook Time 8 minutes
Resting Time 5 minutes
Total Time 18 minutes
Servings 8
Calories 314kcal

Ingredients

  • 2 pounds top sirloin steak

Marinade

  • ½ cup avocado oil or olive oil not extra-virgin
  • cup light brown sugar
  • ¼ cup balsamic vinegar
  • 2 tablespoons Worcestershire sauce
  • 6 cloves garlic roughly chopped
  • 1 tablespoon chopped fresh rosemary
  • 1 teaspoon salt

Finishing

  • 1 ½ teaspoons salt
  • ½ teaspoon freshly ground black pepper

For Serving

Instructions

  • Place the steaks in a shallow dish. Prick all over with a fork.
  • In a small bowl, combine the oil, brown sugar, vinegar, Worcestershire sauce, garlic, rosemary and salt.
  • Pour over the steaks, and marinate in the refrigerator for at least an hour, or up to 4 hours.
  • Transfer the steaks to a plate, and season on both sides with salt and pepper. Let sit at room temperature for an hour to allow the salt to work its magic on the muscle fibers.
  • Preheat your grill to 450°F - 500°F. Brush the grates with oil.
  • Cook for 3 to 4 minutes per side, or until the internal temperature is 130°F for medium rare.
  • Move to a wire rack set on top of a rimmed baking sheet, top with butter, and tent with foil.
  • Let rest for 5 minutes before serving.

Notes

  • Doneness: Pull about 5°F below your target to allow for carryover cooking. Medium-rare is 130°F (lands at ~135°F after resting).
  • Ninja Flex Flame: Set to 450°F, grill the first side 3 minutes, and check the second side at 2 minutes — the convection cooks it faster.
  • Don't over-marinate: 1 to 4 hours only. The acid keeps working and will mush the surface past that.

Nutrition

Calories: 314kcal | Carbohydrates: 12g | Protein: 25g | Fat: 18g | Saturated Fat: 3g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 11g | Cholesterol: 67mg | Sodium: 850mg | Potassium: 472mg | Fiber: 0.1g | Sugar: 11g | Vitamin A: 12IU | Vitamin C: 1mg | Calcium: 45mg | Iron: 2mg