INGREDIENTS
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For the doughnuts::
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2 cups (226 grams) cake flour
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1/2 cup (40 grams) cocoa powder
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1 1/2 teaspoons baking powder
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1 teaspoon fine salt
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3/4 teaspoon ground nutmeg
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1/2 cup granulated sugar
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3 tablespoons butter, at room temperature
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2 large egg yolks
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1 cup sour cream
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Canola oil, for frying
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For the glaze::
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3 1/2 cups (350 grams) powdered sugar, sifted
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1 1/2 teaspoons corn syrup
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1/4 teaspoon salt
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1/2 teaspoon vanilla extract
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1/3 cup hot water