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Keto Dinner

Jalapeño Steak

When I fire up the grill, this jalapeño steak is often the star of the show. The bold, spicy marinade with fresh jalapeños and tangy lime transforms a simple sirloin into something truly crave-worthy. It’s one of those keto dinners that feels indulgent but keeps carbs in check, making it a regular in my meal rotation.

15 min Prep time 12 min Cook time 27 min Total time 4 Servings 300 Calories
Jalapeño Steak

Ingredients

  • jalapeño peppers, stemmed
  • cloves garlic, peeled
  • /2 teaspoons cracked black pepper
  • tablespoon coarse salt
  • /4 cup lime juice
  • tablespoon dried oregano
  • /2 pounds top sirloin steak

Instructions

  1. Step 1

    Start by making the zesty marinade. In a blender, combine the stemmed jalapeños, peeled garlic cloves, cracked black pepper, coarse salt, fresh lime juice, and dried oregano. Blend until the mixture turns completely smooth and vibrant green. Place the top sirloin steak in a shallow dish or a large zip-top bag. Pour the marinade over the steak, ensuring every inch is coated. Seal or cover, then let it rest in the refrigerator for at least 8 hours—I often do this overnight for maximum flavor. When it’s time to cook, fire up the grill to high heat and lightly oil the grates to prevent sticking. Remove the steak from the marinade, letting any excess drip off, and discard the used liquid. Grill the steak for about 5 minutes on each side for a perfect medium-rare, adjusting based on your preferred doneness. Let the steak rest a few minutes before slicing against the grain, which keeps every bite tender.

Chef's Tip

For an extra charred, smoky kick, I often grill the marinated jalapeños right alongside the steak. They blister and caramelize, turning into a fiery topping that pairs perfectly with each slice. Just toss them on the grates for a few minutes until softened and charred, then chop and sprinkle over the rested steak.

Storage Tips

Leftover grilled steak keeps well in the refrigerator for up to 3 days in a sealed container. To reheat without drying it out, warm it in a skillet with a splash of beef broth or serve it chilled over crisp greens. Avoid the microwave if you can.

Variation Tips

This spicy steak pairs wonderfully with a side of buttery garlic green beans or a fresh avocado and tomato salad. If you're in the mood for something different, try using the same marinade on chicken thighs or shrimp skewers—they grill up beautifully and stay low-carb.

Frequently Asked Questions