Mom's Enchilada Casserole

sauce:
sauté 1 chopped onion in 1/4 cup olive oil
add
chopped parsley
1 can tomato paste
1 1/2 cup water
1 tsp vinegar
1/2 tsp oregano
1/2 tsp salt
1 tsp sugar
2 tsp chili powder

preheat oven to 350°

Brown 1 lb ground beef; add salt and pepper.

Tear 12 corn tortillas into bite-size pieces.

Mix tortillas, meat, sauce and 1 can halved black olives
together

Pour into 13 x 9" baking dish.

Cover with Jack or Muenster cheese.

Bake for 30 minutes.