Sheet Pan Chicken Fajitas

Featured in: One-Pot Family Comfort Meals

This vibrant Tex-Mex dish brings together juicy chicken strips, three colorful bell peppers, and red onion, all roasted on a single sheet pan. Tossed in a zesty blend of chili powder, cumin, smoked paprika, and lime juice, the chicken and vegetables caramelize beautifully with minimal effort and cleanup. Served warm with fresh cilantro, optional avocado and sour cream, and lime wedges, it delivers bold flavors and easy preparation perfect for a weeknight meal.

Updated on Mon, 22 Dec 2025 15:23:00 GMT
Sheet-Pan Chicken Fajitas, sizzling with perfectly cooked chicken and colorful roasted vegetables, ready to serve. Save
Sheet-Pan Chicken Fajitas, sizzling with perfectly cooked chicken and colorful roasted vegetables, ready to serve. | wheatkettle.com

One weeknight last spring, I opened the fridge to find three bell peppers about to turn soft and a pack of chicken I'd forgotten to plan around. I tossed everything onto a sheet pan with some spices, slid it into the oven, and by the time I'd cleared the counter, the kitchen smelled like a taqueria. My husband walked in, sniffed the air, and said it smelled better than our favorite takeout spot. That accidental dinner became our most-requested weeknight meal.

The first time I made these for friends, I worried the vegetables would come out soggy or the chicken would dry out. Instead, the peppers caramelized at the edges and the chicken stayed juicy, soaking up all the lime and spice. Everyone built their own tortillas at the table, piling on cilantro and avocado, and the whole meal felt relaxed and generous without any fuss.

Ingredients

  • Boneless, skinless chicken breasts: Slice them thin so they cook quickly and soak up the marinade; thighs work too if you prefer darker meat.
  • Olive oil: Helps the spices cling and keeps everything from sticking to the pan.
  • Chili powder, cumin, smoked paprika: This trio gives you that warm, smoky Tex-Mex flavor without needing a dozen jars.
  • Garlic powder and onion powder: They blend seamlessly into the marinade and give depth without the chop work.
  • Lime juice: Brightens everything and tenderizes the chicken just enough; fresh is always better than bottled.
  • Red, yellow, and green bell peppers: The mix of colors looks vibrant and each one caramelizes slightly differently.
  • Red onion: Turns sweet and soft in the oven, adding a mellow counterpoint to the peppers.
  • Tortillas: Corn keeps it gluten-free, flour makes it pillowy; warm them before serving for the best texture.
  • Cilantro, avocado, sour cream, lime wedges: These toppings let everyone customize their plate and add freshness at the end.

Instructions

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Preheat and prep your pan:
Set your oven to 425°F and line a large sheet pan with parchment or foil. This high heat caramelizes the vegetables and keeps the chicken tender.
Mix the marinade:
Whisk olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, pepper, and lime juice in a large bowl until smooth. It should smell bright and a little smoky.
Coat the chicken:
Toss the chicken strips in the marinade until every piece is evenly coated. Let them sit while you slice the vegetables if you have a minute.
Arrange everything on the pan:
Spread the chicken, peppers, and onion in a single layer, then drizzle any leftover marinade over the vegetables. Give everything a quick toss with your hands or tongs.
Roast and stir:
Slide the pan into the oven and roast for 20 to 25 minutes, stirring halfway through so everything cooks evenly. The chicken should be opaque and the vegetables slightly charred at the edges.
Serve and garnish:
Spoon the fajita mixture onto warmed tortillas and let everyone add their own cilantro, avocado, sour cream, and lime. The contrast of cool and warm toppings makes every bite better.
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One evening, my kids helped me load the pan and argued over who got to squeeze the lime. When we sat down, they ate every pepper and onion on their plates without complaint, something that never happens with steamed vegetables. I realized then that roasting turns skeptics into fans, and that a little char goes a long way.

Swaps and Variations

Ive swapped chicken for shrimp and cut the cooking time to 12 minutes, and Ive used sliced steak when I wanted something heartier. Portobello mushrooms roast beautifully if youre feeding vegetarians, and a handful of sliced jalapeños adds heat without overpowering the other flavors. You can also skip the tortillas entirely and serve this over rice or greens for a lighter meal.

Storage and Reheating

Leftovers keep in the fridge for up to three days and reheat gently in a skillet or microwave. I love using them for quesadillas or scrambled eggs the next morning. The flavors deepen overnight, so the second day often tastes even better than the first.

Pairing and Serving Ideas

I usually serve these with a bowl of tortilla chips and salsa while the pan is in the oven, then finish with a simple side of black beans or Mexican street corn. A cold lager or a margarita on the rocks feels right, but sparkling water with lime works just as well.

  • Set out small bowls of toppings so everyone can build their own plate.
  • Double the marinade and save half for drizzling over the finished fajitas.
  • Keep extra tortillas warming in foil so they stay hot throughout the meal.
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Golden-brown Sheet-Pan Chicken Fajitas, a delicious medley of chicken, peppers, and onions, perfect for a quick dinner. Save
Golden-brown Sheet-Pan Chicken Fajitas, a delicious medley of chicken, peppers, and onions, perfect for a quick dinner. | wheatkettle.com

This recipe taught me that the best dinners dont need a long ingredient list or complicated techniques. Sometimes all you need is a hot oven, a few good spices, and the willingness to let things get a little charred around the edges.

Common Recipe Questions

Can I substitute the chicken with other proteins or vegetables?

Yes, you can use shrimp, steak, or portobello mushrooms as alternatives to chicken for a different flavor and texture.

What is the best way to ensure the chicken stays juicy?

Marinate the chicken strips in the spice and lime mixture before roasting, and avoid overcooking to keep them tender and juicy.

How can I add extra heat to this dish?

Add sliced jalapeños either in the marinade or roasted alongside the vegetables for a spicy kick.

What sides pair well with this layered sheet pan dish?

Serve over rice or salad greens for a complete meal, or enjoy with warmed tortillas and fresh cilantro for extra brightness.

Are there gluten-free serving options available?

Yes, use corn tortillas instead of flour to keep the dish gluten-free, and check all ingredients for gluten content.

What cooking tools are needed for this preparation?

A large sheet pan, mixing bowls, a chef’s knife, cutting board, and tongs or a spatula are essential for an efficient cooking process.

Sheet Pan Chicken Fajitas

Juicy chicken strips with bell peppers and onions roasted together for vibrant Tex-Mex flavors.

Prep Duration
15 minutes
Cook Duration
25 minutes
Overall Time
40 minutes
Created by Lillian Roberts


Skill Level Easy

Cuisine Type Tex-Mex

Makes 4 Portions

Diet Info None specified

What You 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

Steps

Step 01

Preheat Oven and Prepare Pan: Preheat oven to 425°F. Line a large sheet pan with parchment paper or aluminum foil.

Step 02

Make Marinade: In a large bowl, whisk olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and lime juice until combined.

Step 03

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

Step 04

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

Step 05

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

Step 06

Serve: Serve hot with warmed tortillas, garnished with cilantro, avocado slices, sour cream, and lime wedges as desired.

Essential Gear

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

Allergy Notice

Read each ingredient label for allergens and talk to a professional if you're unsure.
  • Contains wheat if flour tortillas are used; contains dairy if served with sour cream. Use corn tortillas for gluten-free and omit sour cream or use dairy-free alternative for dairy-free diets.

Nutrition Details (per serving)

Details here are for general info and aren't meant as medical advice.
  • Kcal: 340
  • Fats: 10 grams
  • Carbohydrates: 35 grams
  • Proteins: 28 grams