Baked Chocolate Donuts

Details

Ingredients

• 2 cups all-purpose flour
• 1 ½ cups white sugar
• ¼ cup unsweetened cocoa powder
• 2 teaspoons baking powder
• 1 teaspoon salt
• 1 ¼ cups 2% milk
• 1 large egg, lightly beaten
• 2 tablespoons butter, melted
• 1 tablespoon vegetable oil
• 6 teaspoons vanilla extract, divided
• 6 cups confectioners' sugar
• 4 tablespoons hot water, or more as needed