1 lb. hamburger
3/4 lb. bacon
1 c. chopped onion
2 cans pork and beans
1 can kidney beans
1 c. ketchup
1/4 c. brown sugar
1 1/2 tbsp. liquid smoke
3 tbsp. white vinegar

Brown hamburger in skillet; drain. Put beef in crock pot. Brown bacon and onions; drain. Add bacon, onions, and remaining ingredients to crock pot. Stir together, cover and cook on low 4-8 hours. Serve in bowls, top with shredded cheddar cheese.