Sour Cream Donuts

Ingredients (17)

• Donuts:
• 2 1/4 cups cake flour, sifted
• 1 1/2 teaspoons baking powder
• 1 teaspoon table salt
• 1/2 teaspoon ground nutmeg
• 1/2 teaspoon cinnamon
• 1/2 cup sugar
• 3 tablespoons unsalted butter
• 2 large egg yolks
• 2/3 cup sour cream
• 2 quarts oil, for frying
• Glaze:
• 2 cups powdered sugar
• 1 teaspoon corn syrup
• Pinch kosher salt
• 1/4 teaspoon vanilla extract
• 3 tablespoons warm milk