1 can Spam or 1 1/2 c. leftover ham
1 sm. onion, ground
4 tbsp. grated American cheese
Salad dressing (enough to make mixture spread easily)
Any or all of the following: finely chopped celery, finely chopped green pepper, 1 grated hard boiled egg, 1 tsp. mustard

Combine all ingredients. Spread on bread or spread on a split bun, sprinkle with grated cheese and broil at 450 degrees until brown and hot, about 12 to 15 minutes.