Calico Beans

  

1 lb. bacon, cooked & crumbled (set aside)
1 lb. hamburger
1 onion
1 can baby butter beans,drained
1 large can baked beans
1 can red kidney beans, drained
Sauce:
1 c. Ketchup
1/2 c. brown sugar
1 T worchestershire sauce
1 T. liquid smoke
1 T. vinegar

Cook hamburger & onion until done. Put in crock pot. Add beans. Mix sauce together & add to beans. Stir well. Heat in crock pot on low 3-4 hours. When done, sprinkle with bacon to keep it crispy.