Maple Glazed Vanilla Bean Donuts Ingredients For the donuts: 1 1/3 cups warm milk 1 package (2.5 teaspoons) quick-rise instant yeast 2 tablespoons butter, melted 2/3 cup granulated sugar 2 large eggs 5 cups all-purpose flour 1 vanilla bean For the glaze: 4 tablespoons butter 1 cup (or more) powdered sugar 8 tablespoons dark