"Gingerbread Whoopie Pies with Vanilla Buttercream Filling: Homemade gingerbread cookies filled with vanilla buttercream filling...."
INGREDIENTS
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3 3/4 cups all-purpose flour
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1 teaspoon salt
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1 teaspoon baking soda
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1 1/2 teaspoons ground ginger
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1 teaspoon ground cinnamon
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1/4 teaspoon ground nutmeg
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1/4 cup vegetable shortening
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1 stick butter (, softened)
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3/4 cup light brown sugar
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1 large egg
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3/4 cup molasses
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3/4 cup buttermilk
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1 stick butter
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2 cups powdered sugar
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2 tablespoons milk
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1 teaspoon pure vanilla extract