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1 cup firmly packed brown sugar
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1/2 cup sugar
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1 cup butter or margarine, softened
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1 cup mashed bananas, (about 2 medium)
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1 egg
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1 teaspoon vanilla
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2-3/4 cups all-purpose flour
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1/2 teaspoon baking soda
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1/4 teaspoon salt
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Filling
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1 cup SMUCKERS natural creamy peanut butter
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1/2 cup butter
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1 cup powdered sugar
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