1 qt. cooked green beans
1 med. onion
8 slices bacon, fried crisp and crumbled
1/2 c. vinegar
1/2 c. sugar
1/2 c. bacon grease

Place a layer of cooked beans in slightly greased flat casserole, then a layer of onion. Repeat layers. Pour sauce of vinegar, sugar and bacon grease over casserole. Cook uncovered at 350 degrees for 30 minutes. Then cover and cook 30 minutes more.