Sheet Pan Chicken Fajitas

Featured in: Tex-Mex Homestyle

This vibrant Tex-Mex dish combines tender chicken strips with a medley of red, yellow, and green bell peppers and red onions, all roasted on one sheet pan for easy cooking and cleanup. The chicken is seasoned with chili powder, cumin, smoked paprika, and lime juice to infuse bold, smoky flavors. Perfectly roasted to create caramelized vegetables and juicy protein, it’s ready in under 40 minutes. Serve with warm tortillas and fresh cilantro for a fresh finish.

Updated on Sun, 21 Dec 2025 09:56:00 GMT
Sheet-Pan Chicken Fajitas, sizzling with cooked peppers, onions, and perfectly seasoned chicken, ready to be served. Save It
Sheet-Pan Chicken Fajitas, sizzling with cooked peppers, onions, and perfectly seasoned chicken, ready to be served. | zetluna.com

My neighbor knocked on my door one Tuesday night holding an empty casserole dish and a desperate look. She needed dinner for six in under an hour, and I handed her this recipe scribbled on a sticky note. The next morning, she texted me a photo of her spotless sheet pan with the words "you're a genius." I'm not, but this recipe might be.

I started making these fajitas during a particularly chaotic month when my kitchen felt like a war zone every night. The first time I pulled the pan out and saw everything perfectly roasted, I actually laughed out loud. My husband thought I'd lost it, but I was just relieved to have found a dinner that didn't require me to stand over a hot skillet flipping chicken while vegetables burned in another pan. This recipe gave me my evenings back.

Ingredients

  • Boneless, skinless chicken breasts: Slice them thinner than you think you should, about half an inch, so they cook evenly and soak up the marinade without drying out.
  • Olive oil: This is what helps the spices cling to the chicken and keeps everything from sticking to the pan, even if you forget to stir halfway through.
  • Chili powder: The backbone of that warm, smoky flavor, and it blooms beautifully in the oven heat.
  • Ground cumin: Adds an earthy depth that makes people ask what your secret is.
  • Smoked paprika: This is the ingredient that makes it taste like you grilled everything outside, even in January.
  • Garlic powder and onion powder: They distribute flavor more evenly than fresh in a quick marinade, and you won't find any burnt garlic bits.
  • Salt and black pepper: Simple, but they make every other flavor sharper and more alive.
  • Lime juice: Brightens everything and tenderizes the chicken just enough in those fifteen minutes.
  • Red, yellow, and green bell peppers: The trio isn't just pretty, each one has a slightly different sweetness that builds layers of flavor.
  • Red onion: It caramelizes faster than yellow and adds a subtle tang that cuts through the richness.
  • Flour or corn tortillas: Warm them in a dry skillet or directly over a gas flame for those little charred spots that make all the difference.
  • Fresh cilantro: Some people love it, some people think it tastes like soap, but it adds a brightness that feels essential to me.
  • Avocado: Creamy, cool, and it balances the heat and acidity perfectly.
  • Sour cream: A dollop cools everything down and adds richness without heaviness.
  • Lime wedges: A squeeze right before you take a bite wakes up every flavor on the plate.

Instructions

Preheat and Prep Your Pan:
Set your oven to 425 degrees and line your sheet pan with parchment or foil. This step saves you from scrubbing later, and trust me, you'll thank yourself.
Mix the Marinade:
Whisk together the olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, pepper, and lime juice in a large bowl. It should smell incredible, like a taco stand in the best way.
Coat the Chicken:
Toss your chicken strips into the marinade and make sure every piece is coated. Let it sit while you slice the vegetables, even just five minutes helps.
Arrange Everything on the Pan:
Spread the chicken, peppers, and onion across the sheet pan in a single layer. Drizzle any leftover marinade over the vegetables and toss them with your hands.
Roast Until Caramelized:
Slide the pan into the oven and roast for 20 to 25 minutes, stirring everything halfway through. The chicken should be cooked through and the edges of the peppers should be dark and sweet.
Serve Hot:
Pile the fajita mixture into warm tortillas and top with cilantro, avocado, sour cream, and a squeeze of lime. Let everyone build their own so they can make it exactly how they like it.
Delicious Sheet-Pan Chicken Fajitas: juicy chicken strips and colorful roasted vegetables, ready for tortillas. Save It
Delicious Sheet-Pan Chicken Fajitas: juicy chicken strips and colorful roasted vegetables, ready for tortillas. | zetluna.com

The first time I made these for friends, I plated everything on a big platter and put the tortillas in a basket. Everyone stood around the kitchen island, building their own fajitas and talking over each other. Nobody sat down for twenty minutes, and when I finally looked at the pan, it was completely empty. That's when I knew this wasn't just dinner, it was the kind of food that makes people linger.

How to Make It Your Own

I've made this recipe with shrimp when chicken didn't sound good, and it cooked in about fifteen minutes, so I had to pull it out early. Steak works beautifully too, just slice it thin against the grain. Once I used portobello mushrooms for a vegetarian friend, and she said it was the best fajita she'd ever had. The marinade is forgiving, and the method stays the same.

What to Do with Leftovers

Leftover fajita mixture makes an incredible breakfast scrambled into eggs with a little cheese. I've also chopped it up and tossed it into a salad with lime vinaigrette, or piled it onto nachos with black beans and melted cheddar. It keeps in the fridge for about three days, and honestly, it tastes even better the next day when the flavors have had time to settle into each other.

Serving Suggestions

I usually serve these with a simple side of black beans or Spanish rice, but sometimes I just put out a bowl of tortilla chips and call it done. A crisp Mexican lager or a classic margarita with salt on the rim feels right, but sparkling water with lime is just as good if you want to keep it light.

  • Add sliced jalapenos directly to the pan if you want heat that roasts into everything.
  • Serve over greens instead of tortillas for a low carb option that still feels satisfying.
  • Double the recipe and use two pans if you're feeding a crowd, because this disappears fast.
Close-up of Sheet-Pan Chicken Fajitas, showcasing tender chicken and vibrant peppers, a flavorful Tex-Mex meal. Save It
Close-up of Sheet-Pan Chicken Fajitas, showcasing tender chicken and vibrant peppers, a flavorful Tex-Mex meal. | zetluna.com

This recipe has become my answer to almost every weeknight dinner dilemma. I hope it does the same for you.

Common Questions About Recipes

Can I use other proteins instead of chicken?

Yes, shrimp, steak, or portobello mushrooms work well as alternatives, offering different textures and flavors.

How can I make this dish gluten-free?

Use corn tortillas instead of flour to keep it gluten-free and enjoy without concern.

What spices are used to season the chicken?

The seasoning blend includes chili powder, ground cumin, smoked paprika, garlic and onion powders, along with salt, pepper, and lime juice.

Is it possible to add heat to the dish?

Yes, adding sliced jalapeños either to the roasting pan or as a fresh topping adds a nice spicy kick.

What sides pair well with this dish?

Consider serving over rice, salad greens, or alongside a cold Mexican lager or margarita for a complete meal.

Sheet Pan Chicken Fajitas

Juicy chicken with colorful bell peppers and onions, roasted together for a vibrant Tex-Mex dish.

Prep Time
15 mins
Time to Cook
25 mins
Overall Time
40 mins
Authored by Clara

Recipe Type Tex-Mex Homestyle

Skill Level Required Easy

Cuisine Type Tex-Mex

Recipe Output 4 Number of Portions

Dietary Needs None specified

The Ingredients You'll Need

Protein & Marinade

01 1.5 lbs boneless, skinless chicken breasts, cut into ½-inch strips
02 2 tbsp olive oil
03 1.5 tsp chili powder
04 1 tsp ground cumin
05 1 tsp smoked paprika
06 ½ tsp garlic powder
07 ½ tsp onion powder
08 ½ tsp salt
09 ¼ 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 ½ cup fresh cilantro leaves, chopped
03 1 avocado, sliced (optional)
04 ½ cup sour cream (optional)
05 1 lime, cut into wedges

Step-by-Step Instructions

Step 01

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

Step 02

Combine Marinade Ingredients: Whisk olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and lime juice in a large bowl until well mixed.

Step 03

Marinate Chicken: Add chicken strips into the marinade and toss thoroughly to coat evenly.

Step 04

Arrange Ingredients on Sheet Pan: Distribute chicken, red, yellow, and green bell peppers, and red onion evenly on the prepared pan; toss vegetables with any remaining marinade.

Step 05

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

Step 06

Serve Warm: Plate the cooked mixture hot alongside warmed tortillas; garnish optionally with chopped cilantro, sliced avocado, sour cream, and lime wedges.

Tools You'll Need

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

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains wheat if using flour tortillas and dairy if served with sour cream. Use corn tortillas for gluten-free and omit sour cream or substitute with a dairy-free alternative.

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 340
  • Fats: 10 grams
  • Carbohydrates: 35 grams
  • Proteins: 28 grams