1 can Spam
1/4 - 1/2 lb. Velveeta cheese, cubed
1 sm. onion
3 hard cooked eggs
1/2 can mushroom soup

Mix Spam, cheese and onion in food processor. Add 1/2 can mushroom soup. Mixture will have consistency of putty. Spread thinly on 1/2 bun, broil 4 or 5 minutes. This mixture keeps well in refrigerator for several days.