2 lb. hamburger
2 pkg. taco seasoning
2 cans refried beans
2 cans mushroom soup
2 c. sour cream
10 soft tortilla shells
1 pkg. cheddar cheese

Brown hamburger with onions. Add taco mix and refried beans; simmer for 5 minutes. Mix mushroom soup and sour cream together. Put half of this in a 13 x 9 pan.
Put torn tortilla shells and meat mixture in layers, then put remaining soup mixture on top. Add some cheese. Bake for 1 hour at 325. Add more cheese and melt.
Add lettuce, tomatoes and onions when served.