Set oven for 350 degrees.

Cut into thin slices 1 large onion.

Open 2 (20 ounce) cans baked beans.

Alternate layers of onions and beans in large casserole. Pour in the hot sugar mixture. Cover and bake 45 minutes. Fry 6 slices cut up bacon and drain fat. Place bacon pieces on top of beans and continue baking uncovered for 25 more minutes. 6 to 8 servings. Freezes well.