Using the paddle attachment on a stand mixer, cream together the butter, oil, and sugars until the mixture is smooth. Add the eggs one at a time, then the baking powder, baking soda, salt, cinnamon, and vanilla extract. Alternatively add the flour and the milk until combined. Then, cover and chill the mixture for 1 hour. Roll the dough out on a floured surface to about 0.5 in/1.3 cm thick. Cut out circles and the holes. Fry in oil heated to 360ºF/182ºC for 2 to 3 minutes.
Allow the Cake Donuts to cool completely and then dip 12 into the dark chocolate glaze and 12 into the white chocolate glaze. To create variety, garnish each glazed donut differently with mikados, rose flower fragments, or milk chocolate covered croquant as desired.
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