Sheet Pan Chicken Fajitas

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This vibrant Tex-Mex dish features tender chicken strips marinated with chili, cumin, and smoked paprika, roasted alongside thinly sliced red, yellow, and green bell peppers with onions on a single sheet pan. The method enhances natural flavors while keeping cleanup simple. Served with warm tortillas and garnished with fresh cilantro, avocado, and lime wedges, it balances zest and freshness. Variations include swapping proteins or adding jalapeños to adjust heat levels. Perfect for a quick, flavorful meal.

Updated on Mon, 22 Dec 2025 15:16:00 GMT
Sheet-Pan Chicken Fajitas, sizzling with perfectly cooked chicken and colorful roasted peppers, ready to serve. Save to Pins
Sheet-Pan Chicken Fajitas, sizzling with perfectly cooked chicken and colorful roasted peppers, ready to serve. | cocoastone.com

I was running late on a Tuesday night when I threw chicken and peppers onto a sheet pan, tossed them with whatever spices I had, and slid the whole thing into the oven. Twenty minutes later, the kitchen smelled like a taqueria, and my family thought I'd been cooking for hours. That accidental weeknight save became our most requested dinner, proof that the best recipes are often the ones you stumble into when you're too tired to overthink it.

The first time I made this for friends, I panicked because I'd forgotten to buy tortillas. We ended up eating the fajita mix straight from the pan with forks, standing around the kitchen island, and everyone agreed it was better that way. Now I keep the tortillas optional, because sometimes the best part is just the sizzling, lime-soaked chicken and peppers piled onto a plate with nothing in the way.

Ingredients

  • Boneless, skinless chicken breasts: Slice them thin so they cook quickly and soak up all the spices; I learned that thick chunks stay bland in the center.
  • Olive oil: Just enough to help the spices cling and keep everything from drying out under high heat.
  • Chili powder: The backbone of the flavor, warm and earthy without being too spicy.
  • Ground cumin: Adds that smoky, almost nutty depth that makes you think you've been cooking all day.
  • Smoked paprika: This is the secret; it gives the chicken a grilled flavor even though it never touches a flame.
  • Garlic powder and onion powder: They dissolve right into the marinade and coat every piece evenly, which fresh garlic can't quite do.
  • Salt and black pepper: Don't skimp; roasted vegetables need more seasoning than you think.
  • Lime juice: Brightens everything and tenderizes the chicken just enough in those few minutes before it hits the oven.
  • Red, yellow, and green bell peppers: The mix of colors looks beautiful, and each one caramelizes a little differently.
  • Red onion: Turns sweet and soft in the oven, with crispy edges that I always steal before serving.
  • Tortillas: Warm them in a dry skillet or wrap them in foil and toss them in the oven for the last five minutes.
  • Cilantro, avocado, sour cream, lime wedges: These are the little touches that make it feel special, but the dish stands on its own without them.

Instructions

Preheat and Prep:
Crank the oven to 425 degrees and line your sheet pan with parchment so cleanup is just a matter of tossing the paper. Foil works too, but parchment won't stick to the chicken.
Mix the Marinade:
Whisk the olive oil, all the spices, salt, pepper, and lime juice in a big bowl until it smells like a fiesta. Taste it on your finger; it should be bold and a little tangy.
Coat the Chicken:
Toss the chicken strips in the marinade, making sure every piece is slicked with that rust-colored spice paste. Let it sit while you slice the vegetables if you have time, but even a minute helps.
Arrange on the Pan:
Spread the chicken, peppers, and onion in a single layer, leaving a little space between pieces so they roast instead of steam. Drizzle any leftover marinade over the vegetables.
Roast:
Slide the pan into the oven and set a timer for twelve minutes, then stir everything around so the edges don't burn and the centers cook through. Roast another ten to thirteen minutes until the chicken is golden and the peppers have dark, blistered spots.
Serve Hot:
Pile the fajita mix onto warm tortillas, or just eat it straight off the pan with all the toppings you love. Squeeze fresh lime over everything right before the first bite.
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One night my daughter asked if we could have fajita night every week, and I realized it wasn't just about the food. It was the way we all gathered around the pan, building our own plates, laughing about who grabbed the last piece of charred onion. That's when this recipe stopped being a shortcut and started being a tradition.

Making It Your Own

Shrimp cooks even faster than chicken, so toss it on the pan for just twelve to fifteen minutes total. Steak strips need a higher heat and a shorter time, or they get tough. Portobello mushrooms turn meaty and smoky, and they're perfect if you're cooking for someone who doesn't eat meat.

What to Do with Leftovers

Cold fajita chicken and peppers make an incredible salad the next day, especially with a little extra lime and some crunchy tortilla strips on top. I've also scrambled them into eggs for breakfast, and my husband swears it's better than the original dinner.

Adjusting the Heat and Sides

If you like it spicy, slice a jalapeño or two and toss them on the pan with the peppers; the seeds will get crispy and the flesh will soften. For a low-carb version, skip the tortillas and serve everything over shredded lettuce or cilantro lime rice. A cold Mexican lager or a margarita with salt on the rim makes it feel like a Friday even when it's not.

  • Keep a batch of the spice mix pre-measured in a jar so you can make this on autopilot.
  • Don't skip the parchment paper unless you enjoy scrubbing baked-on marinade for twenty minutes.
  • Warm your tortillas or they'll crack when you fold them, and nobody wants that.
Golden-brown Sheet-Pan Chicken Fajitas, a flavorful Tex-Mex meal, featuring tender chicken and onions. Save to Pins
Golden-brown Sheet-Pan Chicken Fajitas, a flavorful Tex-Mex meal, featuring tender chicken and onions. | cocoastone.com

This is the kind of recipe that makes you look like you know what you're doing, even on the nights when you absolutely don't. Serve it with confidence, and everyone will think you've been making fajitas your whole life.

Frequently Asked Questions

Can I use different proteins in this dish?

Yes, shrimp, steak, or portobello mushrooms are great alternatives that pair well with the same marinade and roasting method.

How do I keep the vegetables crisp during roasting?

Slice the bell peppers and onions evenly and avoid overcrowding the pan to ensure even roasting and tenderness without sogginess.

What is the best way to serve this dish?

Serve the roasted chicken and vegetables with warm tortillas, garnished with cilantro, avocado slices, sour cream, and lime wedges for balanced flavors.

Can this dish be made gluten-free?

Yes, use corn tortillas instead of flour tortillas to keep the meal gluten-free without compromising taste.

How can I add more heat to this meal?

Incorporate sliced jalapeños into the vegetable mix or add extra chili powder to the marinade for a spicier profile.

Sheet Pan Chicken Fajitas

Juicy chicken and colorful peppers roasted together for an effortless Tex-Mex dinner.

Prep duration
15 minutes
Cooking duration
25 minutes
Overall time
40 minutes
Created by Mara Ellison


Skill level Easy

Cuisine type Tex-Mex

Portion size 4 Portions

Dietary guidelines 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: Set 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 fully coated.

Step 04

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

Step 05

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

Step 06

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

Necessary equipment

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

Allergen details

Review the ingredients for allergies and reach out to a healthcare provider if uncertain.
  • Contains wheat if flour tortillas are used; contains dairy if sour cream is included.
  • Use corn tortillas and omit sour cream for gluten-free and dairy-free options respectively.

Nutrition per portion

This nutritional data is intended for reference and doesn't replace professional medical advice.
  • Total calories: 340
  • Total fat: 10 g
  • Carbohydrates: 35 g
  • Proteins: 28 g