Funeral Beans - cooking recipe

Ingredients

1 (48 ounce) can pork and beans, Do not drain
1 (16 ounce) can black beans, drained
1 (16 ounce) can butter beans, drained
1 (16 ounce) can dark red kidney beans, drained
1/2 lb bacon
1 onion, medium, chopped (1 cup)
1/4 cup cider vinegar
1 tablespoon yellow mustard, prepared
1 cup brown sugar

Preparation

Cook bacon, saving 1 T. Bacon fat. Crumble bacon; set aside.
In reserved bacon fat, saute diced onion about 5 minutes over low-medium heat until softened.
Drain and rinse all beans except Pork and Beans, which are used along with their liquid. In a large bowl, gently mix beans and all remaining ingredients. There should be plenty of liquid - you can add 1/4 cup more cider vinegar if needed.
Pour into a deep casserole, sprayed with Pam.
Bake 350 for 2 hours, uncovered.
Alternatively, make a double batch in a crockpot and cook on low 6 hours.