MEAT SAUCE:

1 lb. ground beef (cooked and drained)
1 pkg. taco seasoning
1 lg. can tomato sauce

CHEESE MIX:

1 med. container ricotta cheese
1 egg
1 can chopped green chilies

GRATED CHEESE:

1 lg. pkg. mozzarella
1/2 as much cheddar
Flour tortillas

Layer in this order: Flour tortillas, 1/2 meat sauce, 1/2 mozzarella cheese, all cheese mix, flour tortillas, meat sauce and mixed grated cheese. Bake at 350 degrees for 35 to 40 minutes in large casserole dish.