1 (8 oz.) pkg. macaroni
1 lb. ground beef
1 (8 oz.) can tomato sauce
3/4 c. water
1 pkg. taco seasoning
1/2 c. each mozzarella & cheddar cheese

Cook macaroni and drain. Brown ground beef and drain. Add water, tomato sauce, taco seasoning, simmer 10 minutes. Add macaroni, stir. Add cheese and simmer until cheese melts.