Pre-heat oven to 325°F.
Grease a 1 ½ -quart casserole.
In a small skillet, sauté the bacon and onions until the bacon is crisp and onions are lightly browned; drain well.
In a large bowl, combine the remaining ingredients.
To the large bowl. add bacon-onion mixture; mix well.
Pour bean mixture into prepared casserole.
Bake, uncovered, for 1 ½ hours.