Sheet Pan Chicken Fajitas

Featured in: Fresh & Bright Meals

This dish combines tender chicken strips with sliced bell peppers and onions, all roasted together on a single sheet pan. The chicken is marinated with a blend of chili powder, cumin, smoked paprika, and lime juice for vibrant and smoky notes. Roasting blends the flavors while keeping cleanup minimal. Served warm with tortillas and garnishes, it delivers bold Tex-Mex taste with bright, fresh accents.

Updated on Mon, 22 Dec 2025 14:02:00 GMT
Sheet pan chicken fajitas bursting with vibrant roasted vegetables and juicy chicken, a delicious meal. Save
Sheet pan chicken fajitas bursting with vibrant roasted vegetables and juicy chicken, a delicious meal. | cookinget.com

The oven timer was buzzing and I was elbow-deep in a sink full of dishes when I realized I'd been doing fajitas wrong for years. My neighbor knocked on the door holding a bunch of peppers from her garden, and I tossed everything onto one pan instead of my usual stovetop juggling act. The chicken came out tender, the vegetables perfectly charred, and I haven't looked back since.

I made this on a Wednesday night when my sister came over unannounced with her kids. They built their own fajitas at the table, arguing over who got the last charred onion, and I realized this was the kind of meal that turns a regular weeknight into something people remember. The lime wedges got squeezed everywhere, cilantro ended up on the floor, and nobody cared because the food was that good.

Ingredients

  • Boneless, skinless chicken breasts: Slice them thinner than you think, they cook faster and soak up more of the smoky marinade.
  • Olive oil: This helps everything crisp up without sticking, and it carries all those spices into every bite.
  • Chili powder: The backbone of that Tex-Mex flavor, earthy and just a little bit sweet.
  • Ground cumin: It smells like summer cookouts and adds a warmth that makes the whole kitchen feel alive.
  • Smoked paprika: This is the secret to that almost-grilled taste without firing up the barbecue.
  • Garlic powder and onion powder: They blend into the marinade so smoothly, no chopping required.
  • Salt and black pepper: Balance everything out and let the other flavors shine.
  • Lime juice: Brightens the chicken and cuts through the richness, fresh and tangy.
  • Red, yellow, and green bell peppers: The colors make it look like a fiesta, and they each have their own sweetness.
  • Red onion: Goes soft and jammy in the oven, almost like candy.
  • Flour or corn tortillas: Warm them up so they're pliable and smell like home.
  • Fresh cilantro: Some people love it, some people hate it, but it makes everything taste brighter.
  • Avocado: Creamy and cool, it balances out the spice and adds richness.
  • Sour cream: A dollop on top cools everything down and makes it feel indulgent.
  • Lime wedges: One more squeeze right before you eat makes all the difference.

Instructions

Preheat and Prep:
Crank the oven to 425°F and line your sheet pan with parchment or foil. This step saves you from scrubbing later, trust me.
Mix the Marinade:
Whisk together the oil, spices, and lime juice in a big bowl until it looks like a rust-colored paint. The smell alone will make you hungry.
Coat the Chicken:
Toss the chicken strips in the marinade, making sure every piece is slick and seasoned. Let them sit for a minute while you prep the vegetables.
Spread Everything Out:
Dump the chicken, peppers, and onion onto the pan in a single layer. Drizzle any leftover marinade over the vegetables so nothing goes to waste.
Roast Until Golden:
Slide the pan into the oven and roast for 20 to 25 minutes, stirring halfway through. The edges should be caramelized and the chicken should be cooked all the way through.
Serve Hot:
Pile everything into warm tortillas and top with cilantro, avocado, sour cream, and a squeeze of lime. Let everyone build their own and watch them disappear.
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One night I doubled the batch and brought it to a potluck, and someone asked if I'd catered it. I laughed and told them it took me less than half an hour, and they didn't believe me. That's the thing about this recipe, it tastes like you tried way harder than you did.

How to Store and Reheat

Let the fajita mixture cool completely, then store it in an airtight container in the fridge for up to three days. Reheat it in a skillet over medium heat with a splash of water to keep the chicken from drying out. The tortillas are best warmed fresh, but the filling gets even more flavorful after a day.

Simple Swaps and Variations

I've swapped the chicken for shrimp and cut the cooking time in half, and I've done it with thick slices of portobello mushrooms for my vegetarian friends. Steak works too if you slice it thin against the grain. Sometimes I throw in sliced jalapeños or a pinch of cayenne when I want it spicier, and once I used whatever peppers I had in the crisper drawer and it still turned out great.

What to Serve Alongside

I usually set out a bowl of tortilla chips and some store-bought salsa while the fajitas roast, just so people have something to munch on. A simple side of black beans or Mexican rice makes it feel like a full meal, and a crisp margarita or cold beer doesn't hurt either.

  • Warm the tortillas in a dry skillet for about 30 seconds per side so they get a little char.
  • Double the recipe if you're feeding a crowd, it reheats beautifully.
  • Keep a stack of napkins nearby, things get messy in the best way.
These sheet-pan chicken fajitas showcase tender chicken and bell peppers, ready to be wrapped in a warm tortilla. Save
These sheet-pan chicken fajitas showcase tender chicken and bell peppers, ready to be wrapped in a warm tortilla. | cookinget.com

This recipe has saved me on more rushed weeknights than I can count, and it's become the thing I make when I want to feel like I have my life together. I hope it does the same for you.

Recipe FAQs

What spices enhance the flavor?

The blend includes chili powder, ground cumin, smoked paprika, garlic and onion powders, salt, and black pepper, creating smoky and vibrant notes.

Can I use other proteins?

Yes, this method works well with shrimp, steak, or portobello mushrooms for variation.

How do I ensure the chicken stays juicy?

Marinating the chicken before roasting and cooking at a high temperature for a short time helps lock in moisture and flavor.

What vegetables are included?

Red, yellow, and green bell peppers along with red onion provide color and sweetness.

Any tips for serving?

Serve hot with warmed tortillas and optional garnishes like cilantro, avocado slices, sour cream, and lime wedges for freshness.

Sheet Pan Chicken Fajitas

Juicy chicken strips with bell peppers and onions roasted on one pan for bold Tex-Mex flavor.

Prep Duration
15 minutes
Time to Cook
25 minutes
Overall Time
40 minutes
Recipe by Sophie Daniels


Skill Difficulty Easy

Cuisine Tex-Mex

Output 4 Portion Count

Diet Preferences None specified

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 bowl and toss thoroughly to coat them evenly with the marinade.

Step 04

Arrange Ingredients: Spread the marinated chicken, red, yellow, and green bell peppers, and red onion evenly on the prepared sheet pan, tossing the vegetables with any remaining marinade.

Step 05

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

Step 06

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

Essential Tools

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

Allergy Details

Review all ingredients for allergens. Ask a medical expert when uncertain.
  • Contains wheat when using flour tortillas and dairy if served with sour cream. Confirm ingredient labels to address specific allergies.

Nutrition Facts (per portion)

These numbers offer reference only, not medical guidance.
  • Energy Value: 340
  • Fats: 10 g
  • Carbohydrates: 35 g
  • Proteins: 28 g