PREHEAT oven to 400 degrees.
PLACE chicken and sliced vegetables on a parchment- (or foil) lined rimmed half sheet pan.
In a small bowl, COMBINE olive oil, cumin, chili powder, garlic powder, cayenne, salt and pepper.
TOSS to coat chicken and vegetables evenly with the oil mixture.
SPREAD out evenly on the pan.
BAKE for 25-30 minutes until chicken is cooked through and vegetables are tender.
SERVE with flour tortillas, shredded cheese, salsa, guacamole and/or sour cream.