- Grease a 13 x 9 inch baking pan, and preheat oven to 300 degrees F. 
- Fry bacon and sausage in large pan until almost cooked. (If the pan’s large enough, you can do both at the same time, or do them individually.) Drain all but 1 tablespoon of fat, and add onion and green pepper. Cook until beginning to get tender. 
- Add beans, ketchup, brown sugar, Worcestershire sauce, and pineapple, and stir until well combined. Pour into prepared baking dish, and cover tightly with foil. 
- Bake at 300 degrees for 3 hours, and then uncover. Bake an additional 30 minutes. 
- Serve immediately.