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Easy Crock-Pot Steak Fajitas

by Jennah
written by Jennah
Easy Crock-Pot Steak Fajitas

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If you love fajitas but don’t always have the time to stand over a hot skillet, these Crock-Pot Steak Fajitas are the answer! With just 15 minutes of prep, the slow cooker transforms tender strips of steak, colorful bell peppers, and onions into a mouthwatering Tex-Mex feast. All you have to do is wrap it up in warm tortillas, add your favorite toppings, and dig in!

This recipe has become a lifesaver in our home, especially on busy days. My husband loves fajita night—it’s one of those dinners where he always goes back for seconds, loading his tortilla with steak, peppers, and way too much cheese! The kids get excited too because they get to build their own fajitas with sour cream, avocado, and lime juice. For me, the best part is that it only takes a few minutes in the morning, and by dinner time, the Crock-Pot has done all the work. It’s like having a little kitchen helper that guarantees a stress-free, delicious meal for the whole family.

Why This Crock-Pot Steak Fajita Recipe

These fajitas aren’t just easy—they’re full of bold, smoky flavors and perfectly tender steak. Here’s why you’ll love them:

  • Hands-Off Cooking: The Crock-Pot does the work while you go about your day.

  • Juicy & Flavorful Steak: Slow cooking infuses the meat with spices and lime juice.

  • Colorful Veggies: Bell peppers and onions cook down into a soft, savory mix.

  • Family-Friendly: Everyone can customize fajitas with their favorite toppings.

  • Perfect for Gatherings: Serve buffet-style and let guests build their own fajitas!

Ingredients

For the Fajitas

  • 680 g (1 ½ lbs) flank steak or skirt steak, thinly sliced

  • 3 bell peppers (red, green, yellow), sliced into strips

  • 1 large onion, sliced into strips

  • 3 garlic cloves, minced

  • 60 ml (¼ cup) lime juice (about 2 limes)

  • 2 tsp chili powder

  • 1 tsp ground cumin

  • 1 tsp paprika

  • ½ tsp oregano

  • ½ tsp salt (adjust to taste)

  • ½ tsp black pepper

  • ¼ tsp crushed red pepper flakes (optional, for heat)

  • 2 tbsp (30 ml) olive oil

  • 60 ml (¼ cup) beef broth or water

For Serving

  • Warm tortillas

  • Optional toppings: sliced avocado, sour cream, shredded cheese, fresh cilantro, lime wedges

Directions

  1. Mix the Spices: In a small bowl, combine chili powder, cumin, paprika, oregano, salt, pepper, and red pepper flakes (if using).

  2. Season the Steak: Place sliced steak in a large mixing bowl. Sprinkle with the spice mix and toss until fully coated.

  3. Layer the Veggies: Add the sliced bell peppers, onions, and garlic to the Crock-Pot, spreading them evenly on the bottom.

  4. Add the Steak: Place the seasoned steak on top of the veggies.

  5. Add Liquids: Drizzle lime juice and olive oil over the mixture, then pour in beef broth or water.

  6. Cook: Cover and cook on LOW for 6–8 hours or HIGH for 3–4 hours, until the steak is tender and veggies are soft.

  7. Serve: Stir to mix everything together, then serve hot with warm tortillas. Add toppings like avocado, sour cream, cheese, cilantro, and lime wedges.

Notes

  • Steak Options: Flank or skirt steak work best, but sirloin can also be used.

  • Spice Level: Adjust chili powder and red pepper flakes to suit your family’s taste.

  • Meal Prep: Slice veggies and steak ahead of time, then store in the fridge until ready to cook.

  • Leftovers: Store in an airtight container for up to 3 days. Reheat gently and use in fajita bowls, quesadillas, or even salads.

  • Tortilla Tip: Warm your tortillas in a skillet or wrap in foil and heat in the oven for the best flavor.

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