1/2 onion (chopped)
Some butter
1 lb. can smoked or BBQ beans
1/8 - 1/4 c. catsup
1 tbsp. mustard
1 can Spam (bite size chunks)
1 can pineapple (tidbits)

Saute onions in the butter, add the bean, catsup, mustard, Spam and pineapple.

Bake at 375 degrees for 15-20 minutes in a deep baking dish.