Homemade Chocolate Custard Filled Donuts Recipe - Perfect Treat - Recipes by Clare

Ingredients

• 2¼ cups bread flour.
• 1 large egg, room temperature.
• ½ cup + 2 tablespoons warm milk.
• 3 tablespoons unsalted butter, room temperature.
• 5 tablespoons granulated sugar.
• 1 teaspoon salt.
• 1 envelope instant yeast (7g).
• 2¼ cups whole milk.
• 2 teaspoons vanilla extract.
• 2 tablespoons unsweetened cocoa powder.
• 3 egg yolks, room temperature.
• 1 egg, room temperature.
• ½ cup granulated sugar.
• 2½ tablespoons cornstarch.
• ¼ teaspoon salt.
• 8 oz bittersweet or semisweet chocolate, chopped.
• 2 tablespoons unsalted butter, softened.