Calico Beans

Ingredients

• 1 1/2 lb. ground beef
• 1 medium onion, chopped
• 1 (15 oz.) can kidney beans
• 1 (15 oz.) can speckled butter beans
• 1 (15 oz.) can pork and beans
• 1 (15 oz.) can green lima beans
• 1 c. ketchup
• 2 Tbsp. vinegar
• 1/2 lb. bacon, cut
• 1 Tbsp. prepared mustard
• 1/2 c. brown sugar
• salt and pepper