Chocolate Doughnuts

To make the doughnuts: Mix together the flour, yeast, and salt

In a large bowl, whisk together the egg whites, whole milk, and vanilla extract until thickened

Melt the butter, chocolate, and 2/3 cup of the confectioners' sugar in a saucepan over low heat

Gradually add the dry ingredients to the wet ingredients, alternating between the flour mixture and the egg mixture, beating well after each addition

Cover and refrigerate for at least 2 hours

Roll out the dough on a lightly floured surface to a thickness of about 1 cm

Cut into rings of about 6 cm in diameter

Fry in hot oil until golden brown, then drain on paper towels

Fry also any scraps or holes cut from the centers of the doughnuts

Let cool and dust with confectioners' sugar

To make the glaze: Melt the chocolate and butter in a double boiler over low heat

Cool to room temperature

Mix in the confectioners' sugar and vanilla extract until smooth

Add hot water as needed to achieve the desired consistency

Glaze 35 doughnuts.