Skinny Chicken Fajitas

boneless skinless chicken breasts

red bell pepper, cut into strips

green or poblano pepper, cut into strips

medium onion, cut into strips

lime juice

ground cumin

garlic powder

ancho or Mexican chili powder,  to taste

salt and pepper

olive oil

reduced-carb whole wheat flour tortillas (or corn tortillas for gf)

reduced fat shredded Mexican cheese

reduced fat sour cream (optional)

guacamole (optional)