Mexican Hamburger Casserole
1 pound ground beef
3 cups corn chips, divided
1 medium onion, chopped
1 (10 ounce) cream of mushroom soup
1 (10 ounce) can tomatoes and green chiles (Ro-tel)
2 cups grated cheese
Brown ground beef and drain off fat.
Mix well with undiluted mushroom soup and tomatoes and chiles.
Line bottom of crock pot with 1 cup of corn chips. Add 1/3 of onion,sprinkle with 1/3 of grated cheese and add 1/3 of meat mixture.
Repeat layers. Cover and cook on LOW for 6 to 8 hours or on HIGH for 3 hours.