Adjust oven rack to lower-middle position and heat oven to 325 degrees.
Fry bacon in large, deep skillet until bacon has partially cooked and released about 1/4 cup drippings. Remove bacon from pan and drain on paper towels.
Pour flavored beans into a greased 13-by 9-inch (or similar size) ovenproof pan. Top with bacon, then bake until beans are bubbly and sauce is the consistency of pancake syrup, about 2 hours.