01 -
Combine chili powder, cumin, salt, black pepper, paprika, garlic powder, oregano, and onion powder in a small bowl and mix thoroughly.
02 -
Place the chicken pieces in a resealable plastic bag, add the spice mix, seal the bag, and massage until chicken is evenly coated.
03 -
Heat olive oil in a large skillet over medium-high heat. Add half the chicken without overcrowding and cook, stirring occasionally, for 8 to 10 minutes until cooked through. Repeat if necessary.
04 -
Heat a skillet over medium heat. Lightly mist each tortilla with cooking spray on both sides and warm for approximately one minute per side until pliable.
05 -
Distribute about 1.75 ounces of cooked chicken onto each tortilla. Top with chopped lettuce and tomatoes. Serve immediately.