4 tbsp. oil
2 onions, chopped
1/2 c. brown sugar
1/2 c. ketchup
1 tsp. salt or less
2 tbsp. vinegar
1 tbsp. mustard
1/2 tsp. pepper
1 can green lima beans, drained
1 can red kidney beans, drained
1 can pork and beans
1 can pinto beans, drained

Saute onion in oil. Add onion to remaining ingredients in a crock pot. Cook on high until thick, 3 or 4 hours. Can also bake in 350 degree oven for 1 hour.