Sheet Pan Chicken Fajitas

Featured in: Oven-Made Comforts

This vibrant Tex-Mex dish combines juicy chicken strips with colorful bell peppers and onions, all seasoned with a blend of chili powder, cumin, smoked paprika, and lime. Roasted together on a single sheet pan, it delivers bold flavors and minimal cleanup. Ready in just over 40 minutes, it’s perfect for a quick, flavorful dinner garnished with cilantro and served with warmed tortillas or your favorite sides.

Updated on Tue, 23 Dec 2025 13:19:00 GMT
Tender sheet-pan chicken fajitas, bursting with peppers and onions ready to be wrapped in a warm tortilla. Pin It
Tender sheet-pan chicken fajitas, bursting with peppers and onions ready to be wrapped in a warm tortilla. | happysfenj.com

The first time I made sheet-pan fajitas was on a rainy Tuesday when I needed something colorful and fast to lift the mood. I had these gorgeous bell peppers sitting on the counter and chicken thighs defrosted, so I threw them together with what spices I could find. The whole kitchen smelled like smoky cumin and roasted peppers within twenty minutes, and my roommate poked her head in asking what restaurant I ordered from.

I started making these for weekly friend dinners because theyre impossible to mess up and everyone gets to build their own perfect bite. Last summer, we ate them out on the fire escape with cold drinks while the city hummed below, passing around platters of steaming tortillas and avocado slices. Something about food you can eat with your hands makes people linger at the table longer.

Ingredients

  • 1 ½ lbs boneless skinless chicken breasts: Cut into strips about half an inch thick so they cook through quickly and stay tender
  • 2 tbsp olive oil: This helps the spices cling and keeps everything from sticking to the pan
  • 1 ½ tsp chili powder: Front-of-pantry heat that builds depth without being aggressive
  • 1 tsp ground cumin: That earthy backbone that makes everything taste properly Tex-Mex
  • 1 tsp smoked paprika: The secret ingredient that mimics flavors from a grill
  • ½ tsp garlic powder: Even distribution of garlic flavor without any burnt bits
  • ½ tsp onion powder: Rounds out the spice blend with savory sweetness
  • ½ tsp salt: Just enough to make all those spices pop
  • ¼ tsp black pepper: Gentle background warmth that ties everything together
  • Juice of 1 lime: Bright acid that cuts through the rich roasted flavors
  • 1 large red bell pepper: Sweet and dramatic, adds that classic fajita color
  • 1 large yellow bell pepper: Milder than red but brings beautiful golden contrast
  • 1 large green bell pepper: Slightly grassy and familiar, the flavor we expect from fajitas
  • 1 large red onion: Gets sweet and jammy in the oven, way better than white onion here
  • 8 small flour or corn tortillas: Warm them until pliable and slightly blistered
  • ½ cup fresh cilantro: Fresh green brightness that wakes up the whole dish
  • 1 avocado: Creamy cool contrast to the hot spiced chicken
  • ½ cup sour cream: Optional but nice if you need something to tame the heat
  • 1 lime cut into wedges: Extra acid at the table makes everything taste brighter

Instructions

Product image
Dries dishes, utensils, and cookware neatly after cooking, keeping your countertop organized and clutter free.
Check price on Amazon
Preheat your oven to 425°F:
Line a large sheet pan with parchment paper or foil for easier cleanup later
Whisk together the marinade:
Combine olive oil, chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and lime juice in a large bowl
Coat the chicken:
Add chicken strips to the bowl and toss until every piece is evenly covered in the spice mixture
Arrange everything on the pan:
Spread chicken, bell peppers, and onion evenly across the prepared sheet pan, tossing vegetables with any remaining marinade in the bowl
Roast until caramelized:
Cook for 20 to 25 minutes, stirring halfway through, until chicken is cooked through and vegetables are tender with slightly charred edges
Warm the tortillas:
Heat them directly over a gas flame or in a dry skillet until pliable and lightly blistered
Build your fajitas:
Serve the hot chicken and vegetable mixture with all your toppings and let everyone assemble their own
Product image
Dries dishes, utensils, and cookware neatly after cooking, keeping your countertop organized and clutter free.
Check price on Amazon
Flavorful sheet-pan chicken fajitas, showcasing perfectly roasted chicken strips with colorful vegetables for dinner. Pin It
Flavorful sheet-pan chicken fajitas, showcasing perfectly roasted chicken strips with colorful vegetables for dinner. | happysfenj.com

These became my go-to when life feels overwhelming because they require almost zero active time but feel like a real meal. I make them when I havent grocery shopped properly, when friends drop by unexpectedly, or just when I need something that tastes like comfort but doesnt leave me with a sink full of dishes.

Make It Yours

Swap the chicken for shrimp added in the last 8 minutes of cooking, or flank steak sliced thin against the grain. Portobello mushrooms work beautifully for a vegetarian version, developing this meaty texture that surprises people every time.

Heat It Up Or Cool It Down

Sliced jalapeños or a diced habanero mixed into the vegetables will bring serious fire. On the flip side, extra sour cream, mild peppers, and skipping the chili powder keeps it gentle for eaters who prefer things milder.

Sides That Work

Simple Mexican rice or refried beans turn this into a more substantial dinner. A crisp green salad with citrus vinaigrette cuts through the richness nicely.

  • Cold beer or sparkling water with lime feels just right
  • Keep extra tortillas warm in a clean kitchen towel
  • Set out hot sauce at the table for the brave souls
Product image
Blend smoothies, sauces, and shakes quickly for easy breakfasts, snacks, and meal prep.
Check price on Amazon
Juicy sheet-pan chicken fajitas, piled high ready to be topped with fresh cilantro, a quick and easy Tex-Mex meal. Pin It
Juicy sheet-pan chicken fajitas, piled high ready to be topped with fresh cilantro, a quick and easy Tex-Mex meal. | happysfenj.com

Theres something deeply satisfying about a dinner that looks impressive but basically cooks itself. Hope these become a regular in your rotation too.

Recipe FAQs

Can I use other proteins besides chicken?

Yes, shrimp, steak, or portobello mushrooms can be used as flavorful alternatives, adjusting cooking time accordingly.

How do I make this dish gluten-free?

Use corn tortillas instead of flour ones to keep the dish gluten-free and enjoy authentic Tex-Mex flavors.

What spices are essential for the seasoning?

Chili powder, cumin, smoked paprika, garlic powder, and onion powder create the signature smoky and spicy profile.

Can I add extra heat to this meal?

Yes, sliced jalapeños or a dash of cayenne pepper can be added to the marinade for a spicier kick.

What sides complement this dish well?

Serve alongside rice, salad greens, or enjoy with classic Mexican sides like guacamole and sour cream for added creaminess.

Sheet Pan Chicken Fajitas

Tex-Mex dish featuring tender chicken and bell peppers roasted on a single pan.

Prep Time
15 minutes
Time to Cook
25 minutes
Overall Time
40 minutes
Created by Lily Hudson

Recipe Type Oven-Made Comforts

Skill Level Easy

Cuisine Type Tex-Mex

Makes 4 Number of Servings

Diet Preferences None specified

What You Need

Protein & Marinade

01 1.5 lbs boneless, skinless chicken breasts, sliced 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

Step-by-Step

Step 01

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

Step 02

Prepare Marinade: Combine olive oil, chili powder, ground cumin, smoked paprika, garlic powder, onion powder, salt, black pepper, and lime juice in a large bowl; whisk to blend evenly.

Step 03

Marinate Chicken: Add chicken strips to the marinade and toss thoroughly to ensure all pieces are coated uniformly.

Step 04

Assemble Sheet Pan: Arrange marinated chicken strips, and sliced bell peppers and onion evenly across the prepared sheet pan; toss vegetables with any leftover marinade to enhance flavor.

Step 05

Roast Ingredients: Place the sheet pan in the oven and roast for 20 to 25 minutes, stirring once halfway through cooking, until chicken reaches safe internal temperature and vegetables are tender with slight caramelization.

Step 06

Serve: Serve the roasted chicken and vegetable mixture immediately with warmed tortillas; garnish with chopped cilantro, sliced avocado, sour cream, and lime wedges as preferred.

Tools Needed

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

Allergy Details

Always check ingredients for allergens. Not sure? Ask your doctor.
  • Contains wheat if using flour tortillas and dairy if served with sour cream.
  • Use corn tortillas for gluten-free option and omit sour cream or replace with dairy-free alternative for dairy-free diet.
  • Always verify ingredient labels to accommodate specific allergies.

Nutrition (per portion)

Numbers here are for information, not as health advice.
  • Caloric Value: 340
  • Fat Content: 10 g
  • Carbohydrates: 35 g
  • Protein Amount: 28 g