Easy oven fajitas

FAJITAS
-1 large onion (64 calories)
-3 bell peppers (51 calories each / 153 calories)
-1 lb. chicken breast (164 calories per 100 grams / 984 calories per 600 grams)
-2 tbl canola oil (120 each / 240 calories)
-1 lemon spritz

TOTAL: 1,441 calories
4 servings: 360 calories each

-8 (6-inch) tortillas (190 calories each)
-4 tbl sour cream (60 calories)
TOTAL TOTAL: 610 calories