Swiss Green Bean Casserole

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This is a nice change from the traditional green bean casserole. I like it much better. This is my sister-in-law's recipe. She knows she has to bring it to all family functions and that the leftovers (if there are any) are all mine! Prep time includes the time it takes to cook the frozen green beans before assembling the casserole.

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Steps

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Melt 2 tbsp butter , stir in flour , salt , pepper , sugar , onion.

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Add sour cream gradually until smooth.

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Add beans.

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Mix together and heat thoroughly.

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Pour into greased casserole dish.

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Grate cheese over top.

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Crush cornflakes and mix with melted butter.

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Put on top of beans.

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Cover and bake 20 minutes at 400.

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Ingredients

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butter, flour, salt, pepper, sugar, onion, sour cream, string beans, swiss cheese, corn flakes