1 1/2 lbs. browned ground beef
1 pkg. taco seasoning
1 can tomatoes
1/4 lb. Colby cheese
1 1/2 c. water
1 1/2 c. elbow macaroni, uncooked
1/4 lb. Mozzarella cheese

Stir taco mix in drained ground beef and tomatoes, water, and elbow macaroni. Cover and simmer for 30 minutes. Sprinkle with cheeses and serve.