Sheet Pan Chicken Fajitas

Name: Sheet Pan Chicken Fajitas
Prep time: 10 min
Cook time: 20 min
Total time: 35 min
Ingredients: 1 pound chicken breast or thigh, sliced into 1/2 inch strips; 3 bell peppers - red, yellow, and green, sliced into thin strips; 1 red onion, sliced thinly; 3 tablespoons olive oil; 2 tablespoons chicken seasoning or fajita seasoning (see notes section); 8 flour tortillas; Sour cream, guacamole, cheese, salsa, lime juice, cilantro

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Sheet Pan Chicken Fajitas are perfect for an easy, flavorful weeknight dinner that the whole family will love. With just 10 minutes of prep and fuss-free cooking, clean up is fast and simple!

Two assembled fajitas on a blue plate with the sheet pan fajita fillings of chicken, peppers, and onions as well as sour cream as a topping. Served with lime wedges. Surrounding the plate are small dishes of salsa, sour cream, and avocado slices.

When life gets hectic, cooking a wholesome, delicious meal can feel daunting. Sheet Pan Chicken Fajitas are here to save your weeknights! This dish deserves a permanent spot in your dinner rotation.

The beauty of these Sheet Pan Chicken Fajitas lies in their simplicity. Slice the chicken and vegetables, just toss everything on one sheet, and bake. This results in fewer dishes to wash and an effortless, delicious meal, much like these Rotisserie Chicken Tacos.

What’s even better is you probably have all the ingredients in your pantry. Whether you use the fajita seasoning mix below or this homemade chicken taco seasoning, the spices are common staples.

The whole family will love customizing their fajitas with their favorite toppings. Set up a toppings bar with different options will make it more fun and engaging for kids.

For a change of pace, try these Instant Pot Steak Fajitas. They offer the same convenience and flavor with a different twist.

Ingredients
Homemade Fajita Seasoning
Substitutions
Step-by-Step Instructions
Recipe Tips
Serving Suggestions
Equipment
Storage
Recipe FAQs
More Easy Chicken Recipes
Sheet Pan Chicken Fajitas Recipe

Ingredients

I am highlighting just the ones that need further explanation. The complete list is in the recipe card below.

Chicken – you can use chicken breast or boneless skinless chicken thighs for a juicier and more flavorful option. Here are more chicken recipes for toddlers and kids that they will love!
Peppers – A mix of red, yellow, and green peppers not only enhances the visual appeal but also adds a sweet taste and a slight crunch that perfectly complements the chicken.
Red Onion – Provides a milder, slightly sweet taste
Seasoning Mix – A fajita seasoning blend offers a balance of savory, smoky, and slightly spicy flavors, while chicken taco seasoning tends to be bolder and more robust.

Homemade Fajita Seasoning

In a small bowl, mix together:

1 tablespoon chili powder
1 teaspoon smoked paprika
1 teaspoons ground cumin
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/2 teaspoon dried oregano
1/2 teaspoon sugar (optional, helps with caramelization)
1/4 teaspoon salt and pepper

Substitutions

Vegetables – can also add zucchini, mushrooms, carrots, asparagus, etc.
Different Proteins: Swap out the chicken for other proteins like flank steak, shrimp, or even slices of firm tofu for a vegetarian option.
Pineapple or Mango: Add some diced pineapple or mango to the pan during the last few minutes of cooking. The fruit adds a sweet, tangy flavor that complements the fajita seasoning.

Step-by-Step Instructions

A sheet pan lined with parchment paper with seasoned chicken at the top, sliced red onions on the middle left of the sheet, sliced green peppers on the middle right, sliced red peppers on the bottom right and sliced orange pepper on the bottom left of the sheet pan.

Step 1: Place the sliced chicken and veggies on a large sheet pan. You can choose to mix the chicken and vegetables together on the sheet pan, but separating them, as seen here, can be helpful if your child prefers their foods not mixed. Drizzle oil evenly over both the chicken and the vegetables. Sprinkle the seasoning blend also. Toss everything until well coated.

Chicken and vegetables nicely roasted with seasoning on sheet pan.

Step 2: Place the sheet pan in the preheated oven. Roast for 20-25 minutes, stirring halfway through, until the chicken is fully cooked (internal temperature sure read ) and the vegetables are tender.

Recipe Tips

Prep Ingredients Properly: Slice your chicken, bell peppers, and onions into uniform sizes. This ensures that everything cooks evenly and at the same rate.
Meal prep tip: For a super fast weeknight meal, slice your bell peppers, onions, and chicken in advance and store in separate airtight containers in the refrigerator.
Season Generously: Don’t skimp on the seasoning. A mix of chili powder, cumin, garlic powder, onion powder, and paprika can be great. Adding lime juice and a little salt and pepper before cooking can also enhance the flavors.
Don’t Overcrowd the Pan: Spread the chicken and vegetables in a single layer without overcrowding the pan. This exposure to the heat helps in achieving those desirable roasted edges rather than steaming the ingredients.
Consider Marinating: If time allows, marinate the chicken in a mixture of lime juice, oil, and spices for at least 30 minutes before cooking. This adds depth to the flavor and helps tenderize the chicken.
Add Freshness: Once out of the oven, enhance your fajitas with fresh toppings like chopped cilantro, diced avocado, sliced jalapeños, or a squeeze of fresh lime juice.

Serving Suggestions

Deconstructed chicken fajitas with separate portions of chicken spread with a little bit of sour cream, peppers and onions, avocado chunks, folded tortilla, shredded cheese and a lime wedge. Appropriate for toddlers.

There are endless ways to enjoy:

Tacos – Serve the fajitas with warm tortillas, and have a variety of toppings available like sour cream, salsa, and shredded cheese so each family member can customize their own.
Burritos – Add into large tortillas with rice, beans, and favorite toppings.
Chicken Fajita Bowl – Build your satisfying bowl with rice, beans, salsa, lettuce, and other desired toppings!
Fajita Pasta – Give this Steak Fajita Pasta a try, swapping out steak for chicken.

For babies and toddlers, make sure the chicken and vegetables are cut into appropriate sizes and are soft enough to chew easily.

Equipment

Even though I use my sheet pans ALL the time, whether it’s roasting vegetables or making various kid-friendly baked goods, I never thought to look into a high-quality one, partly because I didn’t think it’d make that much difference.

Turns out it makes ALL the difference in the world!

These are seriously my favorite sheet pans, and I can’t live without them now! They are super durable and conducts heat efficiently and evenly. It also doesn’t warp, unlike all the other pans I’ve tried where one side becomes raised higher than the other, resulting in uneven cooking.

Storage

To store your leftover fajitas, let them cool and transfer to an airtight container or ziploc bag. Refrigerate for 3-4 days. Reheat in the microwave, on the stovetop, or oven.

For best results, freeze the raw seasoned chicken and vegetable mixture before baking. When you’re ready to use it, thaw it overnight in the refrigerator. On the day of cooking, follow the regular baking instructions. This dish can be frozen for 2-3 months.

Recipe FAQs

Can I use store-bought fajita seasoning instead of homemade?

Of course! Store-bought fajita seasoning works great and is convenient. However, if you prefer to customize the flavors, feel free to make your own seasoning blend using common spices like chili powder, cumin, and paprika. Making your own seasoning also ensures there are no additives or preservatives in your mix.

What’s the best way to reheat leftover fajitas?

You can reheat leftover fajitas in the microwave, oven, or on the stovetop. Make sure to cover them to prevent them from drying out, and heat until warmed through.

Can I use a different protein besides chicken?

Absolutely! You can use beef, shrimp, tofu, or even a mix of different proteins for your fajitas. Just adjust the cooking time accordingly based on the protein you choose.

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