Foryoueats: Chocolate Cake Doughnuts

Ingredients

• 2 1/2 cups all-purpose flour
• 1 cup unsweetened Dutch-processed cocoa powder
• 2 teaspoons baking powder
• 1 teaspoon salt
• 4 large eggs
• 1 1/2 cups granulated sugar
• 1/3 cup buttermilk
• 5 tablespoons butter, melted and cooled
• 2 quarts fat (lard, crisco, or neutral oil) for frying
• 1/4 cup milk
• 2 1/2 cups confectioner's sugar
• 1 teaspoon vanilla
• pinch of salt