"These aren't just your run-of-the-mill doughnuts. Our Old-Fashioned Potato Donuts are unexpectedly addictive! They're made with a delicious combo of mashed potatoes, buttermilk, and other tasty ingredients. They have a dense, cake-like texture to them that makes them extra-yummy. Once you try these easy potato donuts, there's no looking back!..."
INGREDIENTS
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3 tablespoons butter, softened
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3/4 cup sugar
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1 egg, at room temperature
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1 teaspoon vanilla extract
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1 cup lightly packed mashed potatoes (see Notes)
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1/4 cup buttermilk
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2 cups all-purpose flour, plus more for dusting
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1 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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1/4 teaspoon ground cinnamon
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3 cups vegetable shortening or oil