In a skillet over medium heat, brown the ground beef with chopped onion until beef is fully cooked and onion is tender. Drain excess fat.
Meanwhile, in a separate skillet, fry bacon until crispy. Remove from skillet and drain on paper towels. Once cooled, crumble or dice the bacon into small pieces.
In a large crockpot, combine the pork and beans, dark kidney beans, and butter beans.
Add the cooked ground beef and onion mixture to the crockpot, stirring to combine with the beans.
Add the crumbled or diced bacon to the crockpot mixture.
In a small bowl, mix together the ketchup and brown sugar until well combined.
Pour the ketchup and brown sugar mixture over the beans in the crockpot, stirring gently to evenly distribute.
Place the lid on the crockpot and cook on low for 6-8 hours, allowing the flavors to meld together and the beans to become tender.
Serve hot alongside cornbread for a comforting and hearty dinner for six.
Enjoy your delicious crockpot Calico Beans with friends and family!
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