1 lb. pork sausage
1 small onion
1 can pork and beans
1 can butter beans
1 can kidney beans
1 can red beans
2/3 c. packed brown sugar
1/2 c. sugar
1/2 tsp. mustard
1/4 c. ketchup
2 tsp. vinegar

Fry sausage with onion and drain. Pour the meat mixture into a slow cooker or deep pan. Drain 2 cans of beans before adding the remaining beans and ingredients to the sausage mixture. Cook on medium heat.