Sheet Pan Chicken Fajitas

This sheet pan chicken fajita recipe delivers all the flavor of traditional fajitas with much less work. Everything cooks together on one pan, making it a great option for a fast and satisfying weeknight meal.

The whole dish comes together in about 40 minutes. The key is roasting at a high temperature, which cooks the chicken quickly while giving the peppers and onions a nice, slightly charred edge.

Why will you love Sheet Pan Chicken Fajitas?

One-Pan Cleanup: The entire meal cooks on a single sheet pan, which simplifies the cooking process and makes cleanup much easier.

High-Heat Roasting: Cooking at 425°F ensures the chicken stays juicy while the vegetables become tender with nicely browned edges.

Flavorful Marinade: A quick marinade with fajita seasoning, lime juice, and tomato paste coats every piece for a rich, savory taste.

Sheet Pan Chicken Fajitas Ingredients

• Chicken: Boneless, skinless chicken thighs can be used instead of breasts. They are more forgiving and stay very moist during cooking.

• Fajita Seasoning: Use a store-bought packet or make your own blend with chili powder, cumin, paprika, and onion powder.

• Bell Peppers: A mix of colors like red, yellow, and green not only looks good but also provides a range of sweet flavors.

• Onion: A yellow or white onion works best here. A red onion can also be used for a slightly sweeter flavor and vibrant color.

• Avocado Oil: This oil has a high smoke point, making it suitable for high-heat roasting. Another neutral, high-smoke-point oil like canola or grapeseed oil will also work.

Exact quantities are in the recipe card below.

How to Make Sheet Pan Chicken Fajitas

Step 1: Prepare the Marinade and Vegetables

Start by preheating your oven and the sheet pan inside it. While the oven heats up, whisk together the fajita seasoning, oil, lime juice, and other marinade ingredients in a large bowl. Slice the chicken, peppers, and onion and add them to the bowl, tossing to coat everything well.

Step 2: Roast on the Hot Pan

Carefully take the preheated pan out of the oven. Spread the chicken and vegetable mixture in an even layer across the pan. This helps everything cook evenly instead of steaming. Return the pan to the hot oven.

Step 3: Bake and Serve

Roast the fajitas for about 15 to 18 minutes. The chicken should be cooked through and the vegetables tender. For a little extra char, you can switch the oven to the broil setting for a couple of minutes at the end, keeping a close eye on it.

What to Serve with Sheet Pan Chicken Fajitas

Serve the fajita mixture hot in warm flour or corn tortillas. Offer toppings like sour cream, guacamole, salsa, or shredded cheese on the side.

Helpful Tricks for Sheet Pan Chicken Fajitas

Food Safety: Always ensure chicken is fully cooked. The safest way to check is with a meat thermometer, which should read 165°F (74°C) in the thickest part of the chicken.

Hot Pan Tip: Preheating the sheet pan helps the ingredients sizzle on contact. This gives them a better texture and prevents them from steaming.

Avoid Crowding: Spreading the ingredients in a single layer is important for even roasting. If your pan seems too full, it’s better to use two sheet pans.

How to Store and Freeze Sheet Pan Chicken Fajitas

Store leftover chicken and vegetables in an airtight container in the refrigerator for up to 3 days. Reheat in a skillet over medium heat or in the microwave until warmed through.

Sheet Pan Chicken Fajitas Recipe FAQs

Can I use a different kind of meat?

Yes, this recipe works well with sliced steak or shrimp. For steak, follow the same instructions. For shrimp, add them to the pan for only the last 5-7 minutes of cooking time, as they cook much faster.

Do I have to preheat the sheet pan?

Preheating the pan is recommended. It helps the ingredients start cooking and browning as soon as they hit the pan, which creates a better texture and flavor, similar to a sizzling skillet.

Can I make this ahead of time?

You can do some prep ahead. The vegetables can be sliced and the chicken can be marinated for up to 4 hours in the refrigerator. When you’re ready to eat, just spread it on the pan and bake as directed.

Sheet Pan Chicken Fajitas

Tender chicken, colorful bell peppers, and sweet onions roast together on one pan for an easy weeknight dinner.

Print Recipe Pin Recipe

Prep Time 20 minutes mins

Cook Time 20 minutes mins

Total Time 40 minutes mins

Course Main Course

Cuisine Tex-Mex

Servings 4 servings

Ingredients

  

• 1 lb boneless skinless chicken breast, sliced into 1/4-inch strips, about 450 g
• 3 bell peppers cored and sliced into 1/4-inch strips, mixed colors
• 1 large yellow onion sliced into 1/4-inch strips
• 1/4 cup avocado oil or other high-smoke-point oil 60 ml
• 1 tbsp fajita seasoning
• 1 tbsp fresh lime juice from about 1/2 lime
• 1 tbsp tomato paste
• 2 tbsp water
• 2 cloves garlic minced
• 3/4 tsp kosher salt

Instructions

 

• Position an oven rack in the upper third of the oven. Place a large, rimmed baking sheet on the rack and preheat the oven to 425°F (220°C).
• In a large bowl, whisk together the avocado oil, fajita seasoning, lime juice, tomato paste, water, minced garlic, and salt to create the marinade.
• Add the sliced chicken to the bowl and toss until it is well coated.
• Add the sliced bell peppers and onion to the bowl. Toss again until the vegetables and chicken are evenly coated.
• Carefully remove the hot baking sheet from the oven. Pour the chicken and vegetable mixture onto the pan and spread it into a single, even layer.
• Bake for 15 to 18 minutes, or until the chicken is cooked through and the vegetables are tender.
• For food safety, check that the chicken has reached an internal temperature of 165°F (74°C) on an instant-read thermometer.
• For extra char, you can switch the oven to broil and cook for 2 to 4 minutes, watching closely to prevent burning.
• Let the fajita mixture cool for a moment before serving warm with tortillas and your favorite toppings.

Notes

Food Safety: Always ensure chicken is fully cooked. The safest way to check is with a meat thermometer, which should read 165°F (74°C) in the thickest part of the chicken.

Hot Pan Tip: Preheating the sheet pan helps the ingredients sizzle on contact. This gives them a better texture and prevents them from steaming.

Avoid Crowding: Spreading the ingredients in a single layer is important for even roasting. If your pan seems too full, it's better to use two sheet pans.

Keyword Chicken, easy dinner, sheet pan chicken fajitas, sheet pan dinner, tex-mex