Sheet Pan Chicken Fajitas

Featured in: Simple One-Pot Comfort Meals

This dish features tender chicken strips seasoned with chili, cumin, and smoked paprika, roasted alongside sliced red, yellow, and green bell peppers and red onion. All ingredients cook together on one sheet pan, delivering vibrant Tex-Mex flavors with minimal cleanup. Serve warm with lime wedges and optional avocado or cilantro to enhance freshness.

Updated on Tue, 23 Dec 2025 12:05:00 GMT
Juicy Sheet-Pan Chicken Fajitas, roasted with bell peppers and onions, ready for warm tortillas. Save
Juicy Sheet-Pan Chicken Fajitas, roasted with bell peppers and onions, ready for warm tortillas. | dewhearth.com

There was this Tuesday night when I couldn't decide between ordering takeout and actually cooking something, so I grabbed a sheet pan almost by accident. The smell of cumin and smoked paprika hitting the oven air changed everything—suddenly my kitchen smelled like that little Tex-Mex place down the street, except better because I was making it. Sheet-pan chicken fajitas became my answer to those nights when I want bold flavors without the chaos, and it's been on repeat ever since.

I made this for my friend who claims she can't cook, and watching her pull that pan out of the oven with actual pride on her face—that's when I realized these fajitas aren't just easy, they're confidence-building. She texted me the next day saying she'd made them again and added jalapeños because apparently one success leads to experimentation.

Ingredients

  • Chicken breasts: Cut them into strips about half an inch thick so they cook evenly without drying out. Thinner pieces mean everything finishes at the same time.
  • Chili powder, cumin, and smoked paprika: This trio is where the magic lives—don't skip the smoked paprika, it gives you depth that regular paprika just can't touch.
  • Lime juice: Fresh lime is non-negotiable; bottled changes the whole flavor profile in a way that's hard to fix once you've noticed it.
  • Bell peppers: Pick three different colors not just because it looks gorgeous but because each one brings slightly different sweetness levels to the party.
  • Red onion: The thin slicing matters because it caramelizes beautifully in the oven and becomes almost jammy instead of harsh.
  • Tortillas: Warm them right before serving—cold tortillas make the whole experience feel rushed and wrong somehow.

Instructions

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Build your flavor base:
Whisk olive oil with all the spices and lime juice in a bowl, letting the cumin and chili powder bloom into the oil. You'll notice it smells exponentially better than the individual ingredients—that's when you know you're on track.
Coat the chicken:
Toss the chicken strips through that marinade until every piece glistens. This only takes a minute but it's the moment everything stops being ingredients and starts becoming dinner.
Arrange on the pan:
Spread everything in a single layer, keeping chicken in one zone so you can keep an eye on doneness. Leave a little space between pieces instead of crowding them—they'll roast instead of steam.
Roast with intention:
Twenty-five minutes at 425°F is your target, but stir everything around halfway through so the vegetables kiss the hot pan and brown properly. The chicken should be cooked through and the peppers should have some caramelized edges.
Plate with personality:
Warm your tortillas while everything's still hot, then build your fajitas with whatever combination calls to you. Fresh cilantro and lime are the finishing moves that make people think you spent way more time on this.
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Golden, caramelized Sheet-Pan Chicken Fajitas, a flavorful Tex-Mex meal perfect for dinner tonight. Save
Golden, caramelized Sheet-Pan Chicken Fajitas, a flavorful Tex-Mex meal perfect for dinner tonight. | dewhearth.com

My mom asked me why fajitas felt so special compared to other chicken dinners, and I realized it's because they're inherently interactive—everyone builds their own plate, adds what they want, stops when they've had enough. There's something about that autonomy mixed with the sizzle and the smell that makes even a weeknight feel like an event.

Why This Works as Dinner for Company

Sheet-pan fajitas handle a crowd with zero stress because everything cooks together and you're not juggling multiple pans. People can customize their own plate while you're still standing in the kitchen, which somehow makes you look more relaxed even if you're not. The whole vibe becomes less 'I cooked you dinner' and more 'let's eat something delicious together.'

The Seasoning Ratio That Changed Everything

I used to follow seasoning recipes exactly and wondered why my fajitas never tasted like the restaurant version. Then I realized those places layer their spices and don't measure—they taste as they go and trust their instincts. This recipe is calibrated to that sweet spot, but if your paprika is old or your spice cabinet's been sitting untouched, you might want to be a little heavier-handed than the measurements suggest.

Ways to Make This Your Own

The beauty of sheet-pan cooking is how forgiving it is once you understand the method. Steak strips take about the same time as chicken if you slice against the grain and go thin. Shrimp will be done in about half the time so add them in the last ten minutes if you're using them. Portobello caps get this meaty texture that even my non-vegetarian friends get excited about.

  • Jalapeños scattered across the pan in the last five minutes give you heat without overpowering the dish.
  • A splash of lime juice right over the finished fajitas brings everything into sharper focus before you roll them up.
  • Smashed avocado mixed with sour cream and cilantro becomes a sauce that makes people wonder what your secret is.
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Freshly made Sheet-Pan Chicken Fajitas with cilantro and lime, a colorful and delicious gluten-free feast. Save
Freshly made Sheet-Pan Chicken Fajitas with cilantro and lime, a colorful and delicious gluten-free feast. | dewhearth.com

This recipe is the proof that sometimes the best dinners are the simplest ones, stripped down to what actually matters. Make these fajitas on a night when you need something that feels like care without feeling like work.

Sheet Pan Chicken Fajitas

Juicy chicken strips roasted with vibrant peppers and onions on a single pan for easy, flavorful meals.

Prep Time
15 minutes
Bake Time
25 minutes
Time Needed
40 minutes
Created by Claire Martin


Skill Level Easy

Cuisine Type Tex-Mex

Makes 4 Portions

Diet Preferences No Gluten

What You'll Need

Protein & Marinade

01 1.5 lbs boneless, skinless chicken breasts, cut into 0.5-inch strips
02 2 tbsp olive oil
03 1.5 tsp chili powder
04 1 tsp ground cumin
05 1 tsp smoked paprika
06 0.5 tsp garlic powder
07 0.5 tsp onion powder
08 0.5 tsp salt
09 0.25 tsp black pepper
10 Juice of 1 lime

Vegetables

01 1 large red bell pepper, thinly sliced
02 1 large yellow bell pepper, thinly sliced
03 1 large green bell pepper, thinly sliced
04 1 large red onion, thinly sliced

To Serve

01 8 small flour or corn tortillas, warmed
02 0.5 cup fresh cilantro leaves, chopped
03 1 avocado, sliced (optional)
04 0.5 cup sour cream (optional)
05 1 lime, cut into wedges

Directions

Step 01

Preheat oven: Preheat the oven to 425°F and line a large sheet pan with parchment paper or foil.

Step 02

Prepare marinade: In a large bowl, whisk together olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and lime juice.

Step 03

Marinate chicken: Add chicken strips to the marinade and toss until evenly coated.

Step 04

Arrange ingredients: Spread the chicken, bell peppers, and onion evenly on the prepared sheet pan, tossing the vegetables with any remaining marinade.

Step 05

Roast: Roast for 20 to 25 minutes, stirring once halfway through, until the chicken is cooked through and vegetables are tender with slight caramelization.

Step 06

Serve: Serve the fajita mixture hot with warmed tortillas. Garnish with cilantro, avocado, sour cream, and lime wedges as desired.

Tools Needed

  • Large sheet pan
  • Mixing bowls
  • Chef's knife
  • Cutting board
  • Tongs or spatula

Allergy Details

Review each item for allergens and see a medical expert if you're unsure.
  • Contains wheat if using flour tortillas
  • Contains dairy if served with sour cream

Nutrition Details (for each portion)

Details are informational only and shouldn't replace health advice.
  • Energy: 340
  • Fats: 10 g
  • Carbohydrates: 35 g
  • Proteins: 28 g