1½ pounds boneless, skinless chicken breasts (thinly sliced)
3 tablespoons vegetable oil (divided)
1 lime (juiced)
1 tablespoon chili powder
1 tablespoon ground cumin
1 teaspoon garlic powder
1 teaspoon smoked paprika
1 teaspoon Mexican oregano
1 teaspoon kosher salt
½ teaspoon ground black pepper
1 yellow onion (thinly sliced)
1 red bell pepper (thinly sliced)
1 yellow bell pepper (thinly sliced)
1 green bell pepper (thinly sliced)
8 flour tortillas
Optional toppings: (sour cream, cotija, cilantro, lime wedges, salsa, avocado)