1 1/2 to 2 lb. ground beef
1 c. onions
1 1/2 c. celery, chopped
1 (10 oz.) can hot enchilada sauce
2 eggs
1 (16 oz.) can mild taco sauce
1 (4 oz.) can tomato sauce
12 tostadas
12 oz. shredded Mozzarella cheese
1 1/2 c. cottage cheese

Bake at 350 degrees for 30 minutes in a 13 x 9 x 2 inch pan. In olive oil brown hamburger, onions and celery, drain. Add tomato sauce. In separate bowl, add together cheeses and eggs. Put 1/3 of meat mixture, then 6 broken tostadas. Repeat layers, ending with last 1/3 of meat mixture, few broken tostadas on top. Bake for 30 minutes. Let stand 5 minutes before serving.