1 lb. hamburger
1 pkg. taco seasoning
1/2 head shredded lettuce
1 can mushrooms, drained
1 c. shredded cheddar cheese
1/2 c. shredded mozzarella cheese
Cut up tomatoes

SAUCE:

3/4 c. Thousand Island dressing
1/2 c. Miracle Whip
1/4 c. catsup
Taco shells, crushed

Brown hamburger; add taco seasoning. Mix with tomatoes, lettuce, mushrooms, cheddar and mozzarella cheeses. Add sauce; mix together. If a bit dry, add more Thousand Island Dressing. Just before serving add crushed taco shells.