If you’re craving bold, sizzling flavors without the hassle, these Easy One-Pan Beef Fajitas are your new go-to! Juicy marinated steak, tender-crisp bell peppers, and caramelized onions come together in just one sheet pan—making dinner a breeze. Whether it’s a busy weeknight or a laid-back weekend meal, this recipe delivers restaurant-quality fajitas with minimal effort and maximum flavor.
What makes this dish even better? No messy stovetop splatters or endless cleanup! Simply toss everything onto a pan, let the oven do the work, and in under 30 minutes, you’re ready to enjoy a sizzling, flavor-packed meal. Plus, fajitas are totally customizable—add extra spice, swap out the veggies, or serve with all your favorite toppings.
Not only is this recipe easy, but it’s also incredibly versatile. Serve these sizzling fajitas in warm tortillas, over a bed of rice, or even as a fajita salad! However you enjoy them, you’re guaranteed a meal that’s delicious, satisfying, and totally stress-free.
So, grab your sheet pan and let’s make the best homemade beef fajitas—without the fuss!
Recipe Yield: 4 servings
INGREDIENTS
1 lb flank steak, thinly sliced against the grain
3 bell peppers, sliced (red, yellow, and green)
1 medium red onion, sliced
3 tbsp olive oil
2 tbsp fresh lime juice
1 ½ tsp chili powder
½ tsp garlic powder
½ tsp onion powder
1 tsp cumin
1 tsp smoked paprika
½ tsp salt
¼ tsp black pepper
¼ tsp crushed red pepper flakes (optional, for heat)
8 small flour tortillas
Fresh cilantro, chopped (for garnish)
Sour cream, guacamole, or salsa (for serving)
INSTRUCTIONS
1. Preheat & prepare: Preheat oven to 425°F. Line a sheet pan with parchment paper for easy cleanup.
2. Marinate the steak: In a bowl, toss the sliced steak with 2 tbsp olive oil, lime juice, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and red pepper flakes (if using). Let it marinate while you prepare the veggies.
3. Arrange on the sheet pan: Spread the sliced bell peppers and onion evenly on the sheet pan. Drizzle with the remaining 1 tbsp olive oil and a pinch of salt. Toss lightly, then lay the marinated steak evenly over the top.
4. Roast to perfection: Bake for 15-18 minutes, stirring once halfway through, until the steak is tender and the veggies are slightly caramelized. For extra char, broil for 2 minutes at the end.
5. Serve & enjoy: Garnish with fresh cilantro and serve with warm tortillas, sour cream, guacamole, or salsa.
Helpful Tips to Perfect This Recipe
- Slice steak thinly: Cutting against the grain keeps it tender and juicy.
- Roast at high heat: 425°F helps everything cook quickly and evenly while keeping the steak moist.
- Add extra char: Broiling for the last 2 minutes gives that restaurant-style sizzle!
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