Chicken and Green Chili Casserole (Freezer Meal)

Chicken and Green Chili Casserole1/4 cup butter1 small yellow onion, diced1/2 lb mushrooms, sliced1 (14oz) can cream of mushroom soup1 (14oz) can cream of chicken soup1 (15oz) can diced tomatoes, not drained4oz diced green chilies1 tsp garlic powder2 Tbsp chili powder1 Tbsp chicken broth12 soft corn tortillas, torn in fourths2 […]