Sheet Pan Chicken Fajitas
Made it? Rate this recipeStrips of spiced chicken roasted on one sheet pan with red, yellow and green bell peppers and sliced onion, then finished under the broiler for charred edges. Pile it into warm tortillas with a squeeze of lime for a fajita dinner with no skillet to babysit.
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Step-by-Step Instructions
Preheat the oven and pan
Set an oven rack in the upper-middle position and preheat the oven to 425°F (220°C). Line a large rimmed sheet pan (half-sheet, about 18 x 13 inches / 46 x 33cm) with foil or parchment, or leave it bare and lightly oiled if you want more browning on the chicken.
Chef's Tips
- ›A half-sheet pan is the right size for this quantity; a smaller pan crowds the food and it steams instead of browning.
- ›Foil makes cleanup quick, but a bare oiled pan gives slightly better color.
Season the chicken and vegetables
Mix the chili powder, cumin, smoked paprika, garlic powder, oregano, salt and pepper in a small bowl. Put the chicken strips, pepper strips and onion in a large bowl, drizzle with the oil and the juice of one lime, then sprinkle over the spice mix. Toss with your hands or tongs until every piece is coated in a reddish film of spice.
Chef's Tips
- ›Cut the chicken and peppers to roughly the same thickness so they finish together.
- ›Wash your hands and any board that touched raw chicken before handling the tortillas or garnishes.
Spread out and roast
Tip everything onto the sheet pan and spread it into a single layer, with the chicken strips spaced among the vegetables rather than piled together. Roast for 15 minutes, then stir and flip the pieces with a spatula.
Chef's Tips
- ›If the pan looks crowded, split the mixture between two pans and rotate them halfway through.
- ›Scrape any spices stuck to the bowl onto the pan; that is flavor.
Broil for char and check the chicken
Switch the oven to broil and cook for 3 to 5 minutes more, watching closely, until the pepper and onion edges blacken in spots. Check the thickest chicken strip with an instant-read thermometer: it must read 165°F (74°C). If it is not there yet, return the pan to the oven at 425°F (220°C) for a few more minutes.
Chef's Tips
- ›Broilers vary a lot; stay by the oven and pull the pan as soon as you see charring.
- ›Cut into a strip if you have no thermometer: the meat should be white all the way through with clear juices, but a thermometer is the reliable test.
Warm the tortillas and serve
While the pan broils, wrap the tortillas in foil and warm them on the lower rack for 5 minutes, or heat them one at a time in a dry skillet. Squeeze a lime wedge over the hot pan, scatter with cilantro, and serve straight from the sheet pan with the warm tortillas, extra lime wedges and your chosen toppings.
Chef's Tips
- ›Keep warmed tortillas wrapped in a clean kitchen towel so they stay soft.
- ›Corn tortillas crack less if you warm them until pliable before filling.
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About This Recipe
What is this dish?
Sheet pan chicken fajitas move the classic sizzling-skillet dish into the oven. Chicken strips, bell peppers and onion are tossed in a cumin and chili spice mix, roasted on one pan at high heat, then broiled briefly to get the charred edges you would normally get from a cast-iron skillet.
Why you'll love it
There is one pan to wash, no splattering oil, and the oven does the work while you set out tortillas and toppings. The whole meal is on the table in under 40 minutes, and it is easy to scale to two pans for a crowd.
When to serve
Serve on busy weeknights, for casual dinners with friends where everyone builds their own, or as a meal-prep base for burrito bowls through the week.
Quick tips
Use a large pan, cut everything the same thickness, roast at 425°F (220°C), finish under the broiler, and confirm the chicken reaches 165°F (74°C).
Ingredient Highlights
Bell Peppers
Using three colors is not only about looks: red and yellow peppers turn sweet and soft as they roast, while green peppers keep a slightly sharper, grassy flavor that balances the spices.
Cumin and Chili Powder
These two spices give fajitas their familiar earthy, warm flavor. Toasting on a hot sheet pan deepens them, so you need less salt to get a well-seasoned result.
Lime
Lime juice in the seasoning tenderizes the surface of the chicken slightly, and a fresh squeeze at the end brightens everything after the heat of the oven.
Substitution Options
Swap chicken breast for boneless thighs, flank steak strips (cook to at least 145°F / 63°C with a 3-minute rest), or peeled shrimp (add them for the last 6 to 8 minutes only). Use a store-bought fajita or taco seasoning in place of the spice blend, reducing the added salt to taste. Any onion works; red onion is a little sweeter. For a vegetarian version, replace the chicken with thick portobello mushroom strips and a can of drained black beans.
Chef's Tips
Techniques that separate good from great
Marinate ahead for deeper flavor
Toss the chicken with the oil, lime juice and spices up to 8 hours ahead and keep it covered in the fridge. Add the peppers and onion only when you are ready to roast, so they stay crisp-tender rather than soft.
Use chicken thighs for juicier results
Boneless, skinless thighs are more forgiving than breasts and stay moist under the broiler. Slice them into strips the same way; they need roughly the same time and must also reach 165°F (74°C).
Nutrition Facts
Per serving · Estimated values
* Estimated per serving based on a 2,000 calorie diet.
Equipment Needed
- Sheet pan
- Large mixing bowl
- Instant-read thermometer
- Foil or parchment paper
- Spatula or tongs
- Sharp knife and cutting board
Kitchen tools for this recipe
The equipment this recipe is cooked with.
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Quick Tips
- Slice the chicken across the grain into even strips so every piece cooks in the same time.
- Leave space between pieces. Crowded peppers release water and the pan turns soupy instead of charred.
- The broiler finish is what gives oven fajitas their skillet-style char; do not skip it.
- Nutrition figures are for the fajita filling and 2 tortillas per serving, without optional toppings.
Recipe Variations
Different ways to make this dish your own
Steak Fajitas
Use 1 1/2 lb (680g) flank or skirt steak sliced thinly across the grain. Roast the vegetables alone for 10 minutes first, then add the steak and broil until it reaches at least 145°F (63°C), and rest it 3 minutes before serving.
Chipotle Fajitas
Add 1 to 2 minced chipotle peppers in adobo plus a teaspoon of the sauce to the oil before tossing. It adds smoky heat that works well with a cooling dollop of sour cream.
Fajita Bowls
Skip the tortillas and serve the roasted filling over cilantro-lime rice with black beans, corn, salsa and avocado for a bowl you can pack for lunches.
What to Serve With
Perfect pairings to complete the meal
Build-Your-Own Table
Put the sheet pan in the middle of the table with warm tortillas, lime wedges, salsa, guacamole, sour cream and shredded cheese so everyone fills their own.
Mexican-Style Rice and Beans
A side of tomato rice and refried or whole black beans turns the fajitas into a fuller plate.
Simple Slaw
Shredded cabbage tossed with lime juice, salt and a little cilantro adds crunch and freshness alongside the warm filling.
Storage & Reheating
Keep it fresh and plan ahead
Refrigerator
Store the cooled filling in an airtight container for up to 3 days. Keep tortillas and fresh toppings separate.
Freezer
Freeze the cooked filling for up to 2 months. The peppers soften after thawing, so frozen leftovers suit bowls, quesadillas or burritos better than fresh fajitas.
Make-Ahead
Slice the vegetables and chicken and mix the spice blend up to a day ahead. Store the raw chicken in its own covered container on the bottom shelf of the fridge, and combine everything just before roasting.
Reheating
Reheat on a sheet pan at 400°F (200°C) for 6 to 8 minutes, or in a hot skillet for 3 to 4 minutes, until steaming hot (165°F / 74°C). The microwave works but softens the peppers.
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