• 2 cups dried navy beans.
• 6 cups chicken or vegetable broth, or water (plus extra if needed).
• 4 slices thick-cut bacon, cooked to a crisp and chopped.
• 1 small onion, finely chopped (around 3/4 cup).
• 1 green bell pepper, seeded and diced.
• 2 garlic cloves, minced.
• 1 cup quality root beer.
• 1/3 cup barbecue sauce.
• 2 tablespoons brown sugar.
• 2 tablespoons molasses.
• 2 tablespoons Dijon mustard.
• 2 tablespoons Worcestershire sauce.
• 3/4 teaspoon chili powder.
• 1/2 teaspoon freshly ground black black pepper.