Cowboy Beans

Bahan-bahan (6 porsi)

• 1 pound bacon (divided)
• 1 pound lean ground beef
• 1 large onion (diced)
• 30 ounces canned red kidney beans (2 x 16 ounces cans, drained and rinsed)
• 30 ounces pork and beans (2 x 16 ounces cans)
• 15 ounces canned pinto beans (1 can, drained and rinsed)
• 15 ounces canned great northern beans (1 can, drained and rinsed)
• 1 ⅓ cup tomato sauce
• ½ cup brown sugar
• ½ cup barbecue sauce (plus 2 tablespoons for topping)
• ⅓ cup ketchup
• 3 tablespoons apple cider vinegar
• 2 tablespoons yellow mustard
• 1 tablespoon chili powder
• 1 teaspoon salt (or to taste)
• 1 teaspoon black pepper