Chocolate waffles, tender and crispy on the outside and light and airy on the inside.
Place the cocoa powder and chopped chocolate in a large bowl.
Bring the milk to a simmer, pour it over the chocolates, then use a whisk to stir until the chocolate is completely melted.
Mix in the oil, followed by the egg yolks.
Sift together the flour, baking powder, salt, and sugar in a separate bowl. Add it to the chocolate mixture and mix to blend. Do not over-mix.
Whip the egg whites in a separate large bowl, then whip until a thick opaque meringue forms.
Fold in the meringue.
Pour one cup over a medium-heat warmed waffle maker, and cook for 3 minutes on each side.