Deborah's ‘Famous’ Hot Beans

1 pound cubed bacon
1 large onion chopped-fried together and drain

In a large crock pot

1 14 oz can kidney beans - drained
1 can seasoned green beans - drained
1 can Lima beans - drained
1 can mushroom stems and pieces - drained
2 cans Pork & Beans not drained

In a small bowl mix together wells:

1 cup of brown sugar
1 455ml bottle Heinz chili sauce

Pour over bean mixture, add the bacon/onion bake in crock pot 2 hours