"Not actually a pie at all, whoopie pies are a cross between a cake and a cookie with a gooey marshmallow center; they're bound to be a hit with adults and kids alike...."
INGREDIENTS
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2 c all-purpose flour
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1 c granulated sugar
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1/3 c unsweetened cocoa
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1 t baking soda
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1/2 t salt
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3/4 c whole milk
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1/3 c vegetable oil
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1 egg
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1 t vanilla extract
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1/2 c butter or margarine
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1 c confectioners' sugar
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1/2 c marshmallow creme
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1 t vanilla extract