Baked Beans

Dice and Saute:
1 medium onion
1 green pepper
2 pieces celery
1 slice ham
When tender add:
1 cup ketchup
1 cup brown sugar
2 teaspoons prepared mustard
1/2 teaspoon worcestershire sauce
salt and pepper
Add:
60 ounces canned baked beans, liquid at top skimmed off
1 cup grated cheese

Mix in a large slow cooker and cook on low for approximately four hours, stirring occasionally.