Sheet Pan Chicken Fajitas

Featured in: Easy Weeknight Dinners

This vibrant Tex-Mex dish brings together juicy chicken strips and a trio of colorful bell peppers, all seasoned with chili powder, cumin, and smoked paprika. Roasted together on a single sheet pan, the ingredients develop a caramelized, smoky flavor with minimal cleanup. Served warm with cilantro, lime wedges, and optional avocado or sour cream, it offers a satisfying and easy dinner option that’s perfect for busy nights.

Updated on Mon, 22 Dec 2025 09:32:00 GMT
Sheet-pan chicken fajitas with sizzling peppers and onions, ready to be wrapped in a warm tortilla. Save
Sheet-pan chicken fajitas with sizzling peppers and onions, ready to be wrapped in a warm tortilla. | flavza.com

There's something about the smell of cumin and smoked paprika hitting a hot sheet pan that makes you forget you're cooking a weeknight dinner. I stumbled into this recipe on a Tuesday when my kids were demanding something that didn't come from a box, and I realized I had exactly what I needed scattered across my counters. Twenty-five minutes later, we were sitting around the table piling chicken and peppers into warm tortillas, and suddenly the evening felt less like a rush and more like something worth slowing down for.

I made this for a group of friends who arrived unannounced on a Saturday afternoon, and watching them react to how much flavor came out of such a simple setup was genuinely satisfying. One friend asked if I'd been marinating the chicken all day, which made me laugh because the marinade happens in the bowl while the oven preheats. That's when I knew this recipe had staying power.

Ingredients

  • Boneless, skinless chicken breasts: Cut into half-inch strips so they cook evenly without drying out, and the smaller pieces mean faster cooking and better sauce absorption.
  • Olive oil: This is your base for the marinade, carrying all those spices directly onto the chicken.
  • Chili powder, cumin, smoked paprika, garlic powder, onion powder: Together these create a warm, layered flavor that tastes more complex than the individual ingredients suggest.
  • Salt, black pepper, lime juice: Salt seasons everything, pepper adds a gentle bite, and lime juice brightens it all up and keeps the chicken tender.
  • Bell peppers and red onion: Buy them pre-sliced if you're short on time, but slicing them yourself means you control the thickness and they cook perfectly alongside the chicken.
  • Tortillas, cilantro, avocado, sour cream, lime wedges: These are your finishing touches, and half the fun is letting everyone customize their own plate.

Instructions

Set your oven and prep your surface:
Heat the oven to 425°F and line your sheet pan with parchment paper or foil. This step takes one minute and saves you from scrubbing later.
Mix your marinade:
Whisk together the oil, spices, salt, pepper, and lime juice in a bowl until it looks slightly pasty. You're creating a flavor base that will coat everything on that pan.
Coat the chicken:
Add the chicken strips to the bowl and toss them around until every piece glistens with marinade. Don't skip this step or worry about leaving some liquid behind.
Arrange everything on the pan:
Spread the marinated chicken and sliced peppers and onions in a single layer, making sure nothing's too crowded. Drizzle any remaining marinade over the vegetables.
Roast and stir:
Slide the pan into the oven for 20 to 25 minutes, stirring halfway through so the vegetables kiss the hot pan. You'll know it's done when the chicken is cooked through and the peppers have soft spots with caramelized edges.
Finish and serve:
Pull everything out, let it rest for a minute, and pile it onto warm tortillas with whatever toppings you like. The cilantro and lime wedges are non-negotiable, in my opinion.
Roasted sheet-pan chicken fajitas showcasing colorful bell peppers and tender chicken, perfect for a weeknight meal. Pin it
Roasted sheet-pan chicken fajitas showcasing colorful bell peppers and tender chicken, perfect for a weeknight meal. | flavza.com

The real magic of this dish happened the first time I served it to my partner's parents, who were expecting something simple and got something they asked me to make again the next week. That's when I realized that easy doesn't have to mean forgettable, and sometimes the best meals are the ones that come together without any drama.

Why the Sheet Pan Works

Sheet pans are honest tools. Everything cooks together, flavors mingle, and you're left with one thing to wash instead of three. The high heat of 425°F means the vegetables actually caramelize instead of just softening, and the chicken picks up extra color and texture from the same blast of heat. I've learned that timing the stir halfway through matters more than you'd think, because it gives the pan a chance to make direct contact with every surface.

Building Flavor Without Fuss

The spice blend here is forgiving in the best way. You're not walking a tightrope with measurements; a little more cumin or paprika won't ruin anything. What does matter is tasting as you go and remembering that lime juice at the end can always bring everything back into focus if a flavor feels off. I've made versions with extra jalapeños, swapped the chicken for shrimp, and even used thick slices of portobello mushroom instead of protein, and the framework holds every single time.

Serving and Customization

Set out a small station with your toppings and let people build their own fajitas. This sounds like extra work, but it means everyone gets exactly what they want and you're not stuck trying to please conflicting preferences. I've learned that warm tortillas make a difference, and cilantro is one of those ingredients that divides people hard, so keep it on the side. A squeeze of fresh lime and a dollop of sour cream are the two toppings that actually matter.

  • Warm your tortillas in a dry skillet or wrapped in foil in the oven while the fajita mixture cooks.
  • If you're making this for a crowd, you can double the recipe and use two sheet pans without any timing adjustment.
  • Leftover fajitas reheat beautifully and work great in grain bowls or even tucked into sandwiches the next day.
A close-up of delicious Sheet-Pan Chicken Fajitas, filled with chicken, vegetables, and ready to serve. Pin it
A close-up of delicious Sheet-Pan Chicken Fajitas, filled with chicken, vegetables, and ready to serve. | flavza.com

This recipe has shown up on my table so many times now that it feels like an old friend. It's the kind of meal that tastes like you put in effort when you really just cleaned out your vegetable drawer and opened a spice cabinet.

Frequently Asked Questions

What cut of chicken works best?

Boneless, skinless chicken breasts cut into strips work well for even cooking and tender texture.

Can I substitute the bell peppers?

Yes, feel free to use other peppers like poblano or add jalapeños for extra heat and flavor variation.

How do I get the vegetables tender but still crisp?

Roast the peppers and onions alongside the chicken for 20–25 minutes, stirring halfway to ensure even cooking and slight caramelization.

What sides complement this dish?

Warmed corn or flour tortillas enhance the meal, with optional toppings like avocado, fresh cilantro, or sour cream adding freshness and creaminess.

Can this be made gluten-free?

Yes, serve with corn tortillas to keep the meal gluten-free without sacrificing flavor.

Sheet Pan Chicken Fajitas

Juicy chicken and bell peppers roasted on one pan for vibrant Tex-Mex flavor and simple preparation.

Prep Time
15 Minutes
Cook Time
25 Minutes
Total Time
40 Minutes


Difficulty: Easy

Cuisine: Tex-Mex

Yield: 4 servings

Dietary: Gluten-Free

Ingredients

Protein & Marinade

01 1.5 lbs boneless, skinless chicken breasts, cut into 0.5-inch strips
02 2 tablespoons olive oil
03 1.5 teaspoons chili powder
04 1 teaspoon ground cumin
05 1 teaspoon smoked paprika
06 0.5 teaspoon garlic powder
07 0.5 teaspoon onion powder
08 0.5 teaspoon salt
09 0.25 teaspoon 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

Instructions

Step 01

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

Step 02

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

Step 03

Marinate Chicken: Add chicken strips to the marinade and toss to ensure even coating.

Step 04

Arrange Ingredients on Sheet Pan: Spread the marinated 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 halfway through, until chicken is cooked through and vegetables are tender with slight caramelization.

Step 06

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

Tools You'll Need

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

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains wheat if using flour tortillas and dairy if served with sour cream. For gluten-free, use corn tortillas; omit sour cream or use a dairy-free alternative for dairy-free diets.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 340
  • Total Fat: 10 g
  • Total Carbohydrate: 35 g
  • Protein: 28 g