Bold Steak Fajitas

Featured in Beef recipes for any day.

Make flavorful steak fajitas with tender slices of sirloin, bright bell peppers, onions, and bold spices. Start by marinating beef with lime juice, garlic, cayenne, and chili powder for a tangy, spicy kick. Stir-fry everything over high heat until it’s sizzling and ready. Serve with soft tortillas, melted cheese, and your favorite toppings for a quick, tasty meal you can whip up anytime.

Maria from tastyhush
Updated on Sat, 05 Apr 2025 14:05:55 GMT
Beef strips and veggies in a foil dish. Pin it
Beef strips and veggies in a foil dish. | tastyhush.com

This zesty steak fajita dish turns basic ingredients into a mouthwatering Mexican feast in your own home. The tangy marinade soaks the juicy steak with deep flavors while the bright peppers and onions bring sweetness and snap.

I first whipped up these fajitas after an amazing visit to Texas where Tex-Mex food stole my heart. What started as trying to bring those vacation flavors home has turned into our end-of-week ritual, with the family crowding around to create their ideal fajita wraps.

Ingredients

  • Sirloin steak: Cut into thin strips for quick cooking and soft, tender bites
  • Bell peppers: Using several colors adds both eye-catching looks and gentle sweetness
  • Yellow onion: Gives rich aroma and turns naturally sweet when browned
  • Lime juice: Softens the beef while adding bright, zingy flavor
  • Chili powder: Delivers that real Mexican taste without too much kick
  • Cayenne pepper: Lets you dial in just how hot you want things
  • Fresh garlic cloves: Create the must-have flavor base
  • Mexican blend cheese: Gets all gooey and adds a smooth richness
  • Tortillas: Flour works best traditionally but corn is great for gluten-free folks

Step-by-Step Instructions

Marinate the Meat:
Mix your thinly sliced sirloin with lime juice, chili powder, cayenne, chopped garlic, and a splash of olive oil in a zip bag. Squeeze the bag gently to work the flavors into every bit of meat. The lime starts working right away but give it at least 10 minutes to really soak in the goodness.
Prepare the Vegetables:
Toss your sliced peppers and onions right into the same bag with your seasoned beef. This smart trick gives your veggies all those tasty flavors without dirtying another dish. Give the bag a gentle shake to coat everything evenly.
Cook to Perfection:
Get a big skillet super hot, just before it starts smoking. Add a splash of olive oil and carefully dump everything from the bag into the pan. Don't crowd the pan or you'll steam instead of sear your food. Cook about 5-7 minutes, stirring now and then until veggies have some bite left and the steak is done to your liking.
Serve Family Style:
Get your tortillas warm by wrapping them in foil in the oven or giving them quick hits over an open flame for some char. Put your sizzling mix on a big plate with the warm tortillas and shredded cheese nearby. Let everyone build exactly what they want.

The chili powder really makes this dish sing. My grandma always said lightly browning spices first wakes up their hidden flavors. One night when I made these for company, they smelled so good that my usually fussy nephew asked for more twice, showing how tasty food brings folks together.

Perfect Pairings

These fajitas really pop with standard Mexican sides. Black beans cooked with a bit of cumin and oregano add extra protein. Homemade guacamole gives a smooth contrast to the spicy meat. A basic mix of tomatoes and cilantro brings freshness that cuts through the rich flavors. For drinks, nothing beats these fajitas like a cold Mexican beer or tart lime margarita.

Make Ahead Options

Mix your spices and cut veggies up to two days before cooking time. Keep everything in separate sealed containers in your fridge. This planning makes cooking on busy nights super easy. Only put the steak in the marinade no more than four hours before cooking so the lime doesn't break down the meat too much. Pre-shredded cheese saves time but cheese you grate yourself melts better.

Customization Ideas

Switch up this basic recipe to fit what you like or need. Swap in chicken breast or thighs for something lighter. For veggie fajitas, use portobello mushrooms or firm tofu instead of meat. Add more nutrition with extras like zucchini slices or corn. When having friends over, set up a build-your-own station with different proteins and toppings such as sour cream, diced avocado, fresh cilantro, and hot sauce options.

Authentic Touch

The first Mexican fajitas came from Texas ranch workers who got cheaper cuts of meat as part of their wages. They'd grill skirt steak with basic seasonings and wrap it in tortillas. To stay true to these roots, try using skirt or flank steak instead of sirloin for more genuine texture and taste. Always slice these cuts very thin across the grain after they've cooked and rested to keep them tender.

Frequently Asked Questions

→ How do you prep fajita steak?

Cut the sirloin into thin strips, then marinate it in a mix of lime juice, garlic, cayenne, and chili powder to pack in flavor.

→ Which veggies are good in fajitas?

Bell peppers in any color and a handful of sliced onions bring both sweetness and crunch to your fajitas.

→ How can I make fajitas hotter?

Just sprinkle in extra cayenne or toss in fresh jalapeños for an extra fiery touch.

→ What toppings do fajitas pair with?

Go with sour cream, guacamole, fresh salsa, or even sliced jalapeños to personalize your dish.

→ What cheese works best on fajitas?

A blend of Mexican cheeses melts wonderfully and pairs perfectly with the beef and veggies.

→ How do you heat up tortillas?

Toast them in a pan, warm them in foil in an oven, or pop them in the microwave for a few seconds.

Spicy Steak Fajitas

Tender beef and peppers seasoned with zesty spices, all wrapped up in soft, warm tortillas.

Prep Time
15 Minutes
Cook Time
20 Minutes
Total Time
35 Minutes
By: Maria

Category: Beef

Difficulty: Intermediate

Cuisine: Mexican

Yield: 4 Servings

Dietary: ~

Ingredients

→ Main Ingredients

01 6 to 8 soft tortillas
02 2 cups grated Mexican-style cheese
03 1 green bell pepper, sliced thin
04 1 yellow bell pepper, sliced thin
05 1 red bell pepper, sliced thin
06 1 big yellow onion, sliced thin
07 2 pounds of sirloin steak, thinly sliced into strips

→ Seasoning and Marinade

08 2 minced garlic cloves
09 ½ teaspoon chili powder
10 1 little spoon of olive oil
11 ⅛ teaspoon of cayenne pepper
12 1 tablespoon of lime juice

Instructions

Step 01

Drop the sliced steak into a zip-top bag, add chili powder, cayenne pepper, lime juice, olive oil, and minced garlic.

Step 02

Seal up the bag tight and give it a good shake so the meat gets covered evenly.

Step 03

Toss in the onion and peppers, seal the bag again, and shake it one more time to coat the veggies well.

Step 04

Heat a bit of olive oil in a pan. Pour in the contents of the bag and cook until the meat is done and the veggies are soft.

Step 05

Fill up your tortillas with the cooked mixture. Sprinkle cheese on top, and add your favorite extras if you like.

Tools You'll Need

  • Pan
  • Zip-top bag
  • Cooking spatula
  • Sharp knife
  • Chopping board

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (cheese)
  • Gluten present (tortillas)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 450
  • Total Fat: 20 g
  • Total Carbohydrate: 30 g
  • Protein: 35 g