Beef Fajitas with Peppers (Printable version)

Tender marinated beef paired with sautéed bell peppers and onions, served in warm tortillas.

# Ingredient List:

→ Beef and Marinade

01 - 1.1 lbs flank steak or sirloin, thinly sliced
02 - 2 tbsp olive oil
03 - 2 tbsp lime juice (about 1 lime)
04 - 2 cloves garlic, minced
05 - 1 tsp ground cumin
06 - 1 tsp chili powder
07 - 1/2 tsp smoked paprika
08 - 1/2 tsp salt
09 - 1/4 tsp black pepper

→ Vegetables

10 - 1 red bell pepper, thinly sliced
11 - 1 yellow bell pepper, thinly sliced
12 - 1 green bell pepper, thinly sliced
13 - 1 large onion, thinly sliced
14 - 1 tbsp olive oil

→ To Serve

15 - 8 small flour or corn tortillas, warmed
16 - Fresh cilantro, chopped (optional)
17 - Lime wedges
18 - Sour cream (optional)
19 - Salsa (optional)

# How to Make It:

01 - Mix olive oil, lime juice, garlic, cumin, chili powder, smoked paprika, salt, and black pepper in a bowl. Add beef slices and toss to coat evenly. Cover and refrigerate for at least 15 minutes or up to 1 hour for enhanced flavor.
02 - Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Place marinated beef in a single layer and sauté for 3 to 4 minutes until browned and just cooked through. Transfer beef to a plate and keep warm.
03 - In the same skillet, add sliced bell peppers and onion. Cook for 4 to 5 minutes until softened and lightly charred.
04 - Return beef to the skillet and toss with vegetables for 1 to 2 minutes to meld flavors and heat through.
05 - Fill warmed tortillas with beef and pepper mixture. Garnish with cilantro if desired and serve with lime wedges, sour cream, and salsa.

# Expert Suggestions:

01 -
  • It feels like sharing a secret with a friend when those tender beef strips and colorful peppers come together so effortlessly.
  • The way this became a favorite is because it’s quick, flexible, and always impresses—perfect for busy weeknights that deserve a splash of flavor.
02 -
  • Marinating the beef at least 15 minutes is key, but longer really ups the depth of flavor—don’t rush this part.
  • Sauté the peppers and onions in the same pan to keep all those tasty browned bits; it makes a big difference you’ll love.
03 -
  • Using fresh lime juice instead of bottled really brightens the marinade and elevates the dish.
  • Letting the beef rest a few minutes after cooking helps retain its juices and tenderness.