Root Beer Baked Beans

Name: Root Beer Baked Beans
Ingredients: 4 slices applewood-smoked bacon, cut crosswise into 1-inch pieces; 3 1/2 cups chopped onions; 2 garlic cloves, minced; 4 15-ounce cans cannellini (white kidney beans), rinsed, drained; 1 1/2 cups root beer (preferably artisanal); 3 tablespoons apple cider vinegar; 3 tablespoons mild-flavored (light) molasses; 2 tablespoons tomato paste; 2 tablespoons Dijon mustard; 1 1/2 teaspoons chili powder; 1 teaspoon coarse kosher salt; 1 teaspoon freshly ground black pepper