Sheet Pan Chicken Thigh Fajitas | CookOS

Sheet Pan Chicken Thigh Fajitas

Name: Sheet Pan Chicken Thigh Fajitas
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Yield: 6 servings
Cuisine: Mexican
Ingredients: 3 bell peppers, assorted colors; 1 large white onion, sliced; 3 tbsp olive oil, divided; salt, to taste; black pepper, to taste; garlic powder, to taste; 2.5 lbs boneless, skinless chicken thighs; 1/2 lime, juiced; 2 tbsp chili powder; 1 tbsp ground cumin; 1 tbsp paprika; 1 tsp dried oregano; fresh cilantro, for garnish; lime crema, for serving; cooked rice, for serving; guacamole, for serving; lime wedges, for serving

Sheet pan chicken thigh fajitas are a one-pan Mexican dinner where seasoned chicken thighs and colorful bell peppers roast together, delivering restaurant-quality fajitas with minimal effort and cleanup.

🌍Mexican 🏷️Chicken fajitas 🏷️Sheet pan dinner 🏷️Chicken thighs 🏷️Bell peppers Tex-mex

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Total

55 min

Servings

Difficulty

Easy

Est. Cost

$31–$51

Recipe Source

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Ingredients

3 bell peppers, assorted colors
1 large white onion, sliced
3 tbsp olive oil, divided
salt, to taste
black pepper, to taste
garlic powder, to taste
2.5 lbs boneless, skinless chicken thighs
1/2 lime, juiced
2 tbsp chili powder
1 tbsp ground cumin
1 tbsp paprika
1 tsp dried oregano
fresh cilantro, for garnishoptional
lime crema, for servingoptional
cooked rice, for servingoptional
guacamole, for servingoptional
lime wedges, for servingoptional

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Instructions

1
Spread the sliced peppers and onions evenly on a large sheet pan.
2
Drizzle the vegetables with about 1 tablespoon of olive oil and season with salt, pepper, and garlic powder to taste.
3
In a large bowl, combine the chicken thighs with the remaining olive oil, lime juice, chili powder, cumin, paprika, and oregano. Mix until the chicken is fully coated.
4
Arrange the seasoned chicken thighs on top of the vegetables on the sheet pan.
5
Bake in a preheated oven at 400°F (200°C) for 35-40 minutes, or until the chicken is cooked through and reaches an internal temperature of 165°F (74°C).
6
Garnish with fresh cilantro. Serve hot over rice, drizzled with lime crema, and with lime wedges on the side.

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Tips & Notes

Pro tips

Cut bell peppers and onions into uniform, bite-sized pieces so they cook evenly with the chicken.
Don't crowd the pan—arrange chicken and vegetables in a single layer for better browning and caramelization.
Toss vegetables halfway through roasting to ensure even cooking and prevent sticking.
Let chicken rest 5 minutes after roasting before serving to retain juices.

Substitutions

Bell peppers → poblano or Anaheim peppers (spicier, traditional option)
Olive oil → avocado oil (higher smoke point, neutral flavor)
Lime juice → fresh lemon juice or lime zest (if fresh limes unavailable)
Chili powder and cumin → fajita seasoning blend (convenient all-in-one swap)

Storage & make-ahead

Store leftovers in an airtight container in the refrigerator for up to 4 days; reheat in a 350°F oven for 10–12 minutes until warmed through.

Common Questions

Can I use chicken breasts instead of thighs?

Yes, but chicken thighs stay juicier and more forgiving. If using breasts, reduce roasting time by 5–10 minutes and monitor closely to prevent drying out.