Press the cocoa liquor to remove the cocoa butter. Break down the leftover ... 2 tablespoons of granulated sugar, and a pinch of salt. Combine with 1/4 cup milk and 2 tablespoons vegetable oil.

Sift together the powdered sugar, cocoa powder, flour and salt. In a large bowl, use an electric mixer to beat together the butter, granulated sugar and brown sugar until light and fluffy.