Calico Beans

Ingredients

• 1 can light red kidney beans, drain off liquid
• 1 can dry cooked lima beans, drain off liquid
• 1 (1 lb. 12 oz.) can baked beans
• 1 c. ketchup
• 1 medium onion, chopped
• 1 c. brown sugar
• 1 Tbsp. vinegar
• 1 Tbsp. mustard
• 1 lb. ground chuck
• salt and pepper