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Prep 5 mins
Cook 30 mins
From my collection of handwritten recipes 1960's.
Make and share this String Bean Casserole recipe from Food.com.
- Put a layer of green beans in a 8x8" casserole dish. Cover with cheese slices, then rest of beans. Pour over all a can of mushroom soup. Top with frozen onion rings. Bake at 350* until onion rings are cooked and brown and mixture is bubbling.