From my Grandpa who lived in Minnesota.
1 can Cream of Mushroom Soup
2 cans green beans (I use french cut) drained
2/3 cup original French Fried Onions
In oven safe casserole dish combine ingredients except for French Fried Onions.
Bake 30 minutes at 350 degrees. Top with ⅔ cup French Fried Onions. Bake 5 minutes more.