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Spicy Steak Fajitas Recipe

Spicy Steak Fajitas Recipe

Sizzle up weeknight steak fajitas loaded with charred peppers, onions, and a zesty chili-lime kick. Fast, flavorful, and perfect for the table.
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Prep Time: 20 minutes
Cook Time: 15 minutes
Total Time: 35 minutes
Servings: 4

Ingredients
 

Main Ingredients

  • 1.25 lb flank steak
  • 3 tbsp olive oil, divided use half for marinade, half for cooking
  • 3 tbsp fresh lime juice
  • 1 tbsp soy sauce
  • 2 tsp chili powder
  • 1.5 tsp ground cumin
  • 1 tsp smoked paprika
  • 0.5 tsp dried oregano
  • 2 tsp minced garlic
  • 1 tsp brown sugar balances the heat
  • 1.25 tsp kosher salt divided
  • 0.75 tsp black pepper divided
  • 0.5 tsp crushed red pepper flakes for extra heat
  • 3 cup sliced bell peppers mix of colors
  • 1.5 cup thinly sliced yellow onion
  • 12 oz flour tortillas warm before serving
  • 0.25 cup chopped cilantro for topping
  • 0.5 cup sour cream for serving
  • 1 tbsp fresh lime juice to finish

Instructions

Preparation Steps

  • Whisk lime juice, 1.5 tbsp oil, soy sauce, chili powder, cumin, paprika, oregano, garlic, and brown sugar.
  • Season the mix with 1 tsp salt, 0.5 tsp pepper, and red pepper flakes.
  • Pat steak dry, coat in the marinade, and let stand 15 minutes.
  • Heat a large cast-iron skillet over high. Add the remaining 1.5 tbsp oil.
  • Sear steak 3–4 minutes per side to medium-rare. Transfer to a plate to rest.
  • Add peppers and onion to the skillet. Season with remaining 0.25 tsp salt and 0.25 tsp pepper.
  • Cook vegetables, stirring, 5–7 minutes until tender-crisp with light char.
  • Warm tortillas in a dry skillet or wrapped in foil in a hot oven until pliable.
  • Slice steak thinly against the grain. Toss with vegetables and any juices. Splash with 1 tbsp lime juice.
  • Serve in warm tortillas with cilantro, sour cream,

Notes

Variation: Swap in chipotle powder for the red pepper flakes for a smoky kick, or use portobello strips for a hearty vegetarian twist. For meal prep, refrigerate steak and veggies separately up to 3 days; reheat quickly in a hot skillet to keep the sear.
This recipe is an original creation inspired by classic Spicy Steak Fajitas Recipe flavors. All ingredient ratios and instructions are independently developed.