Root Beer Baked Beans with Bacon

Preheat oven to 400°F. Cook bacon in large ovenproof pot over medium heat until crisp, stirring occasionally. Using slotted spoon, transfer bacon to paper towels. Add onions to drippings in pot; cook until beginning to brown, stirring often, about 8 minutes. Add garlic; stir 1 minute. Add beans, root beer, vinegar, molasses, tomato paste, mustard, chili powder, 1 teaspoon salt, and 1 teaspoon pepper; mix. Stir in bacon; bring to boil. Transfer to oven; bake uncovered until liquid thickens, about 30 minutes.