Tortilla Casserole

Ingredients:
- 1 lb ground beef
- 1 onion, chopped
- 1 (10 1/2 ounce) can mushroom soup
- 1 (2 ounce) can black olives, sliced
- 1 (15 ounce) can tomato sauce
- 1 cup taco sauce or 1 cup salsa
- 1 lb cheddar cheese, grated
- 12 corn tortillas, torn into small pcs
- salt and pepper, to taste

Directions:
- Brown ground beef and onion in skillet.
- Put all the other ingredients into large mixing bowl and mix well.
- Add ground beef mixture.
- Put in covered casserole dish.
- Bake at 350°F for 1 hour.