For the donuts – 2 Tablespoons unsalted butter softened – 1/4 cup granulated sugar – 1/4 cup golden brown sugar – 1 large egg – 1/2 teaspoon vanilla extract – 3/4 cup sour cream – 1 3/4 cup all-purpose flour – 1/4 cup + 1 tablespoon cocoa powder – 1/2 teaspoons baking powder – 1/2 tsp baking soda – 1/2 Tablespoon cornstarch – 1/4 teaspoon salt For the chocolate glaze – 1 cup semisweet chocolate chips – 1/2 cup heavy cream – 2 tablespoons unsalted butter melted – Corn oil for frying
Ingredients