1 can ground spam
1/2 lb. mild Cheddar cheese, ground or shredded
1/2 sm. onion
1 (10 1/2 oz.) can cream of mushroom soup
18 hamburger buns

Mix all ingredients together. Put on buns not too thick. Wrap in foil. Can be frozen. Bake at 300 degrees for 30 minutes if frozen. Bake 20 minutes if thawed.

Bake in microwave (take off foil) less time, test until cheese is melted.

Makes 18 sandwiches.