1 lb. hamburger meat
2 c. macaroni noodles
1 can whole kernal corn
2 c. Sharp Cheddar cheese, shredded
1 med. onion
1 sm. jar diced pimentos (optional)
2 cans cream of mushroom soup
1 sm. can mushrooms
1 sm. sour cream
1 c. cheese crackers or saltines

Cook and drain noodles. Brown meat in large skillet, drain. Mix all ingredients except crackers in large casserole dish. Crush crackers and sprinkle on top. Bake about 20 minutes at 300 degrees or until bubbles.