Calico Beans

Ingredients

• 1/4 lb. bacon
• 1/2 c. onion, chopped
• 1/2 c. catsup
• 1 Tbsp. vinegar
• 2 Tbsp. prepared mustard
• 1 can red kidney beans
• 1 can lima beans
• 1 large can pork and beans
• 1 lb. hamburger
• 1/2 c. brown sugar (packed)
• 1 tsp. salt