In the nineteenth century, these fashionable little cakes were often made in tandem with bite-sized cakes called Swiss Penny Cakes, which were about the size of a Swiss penny. The two were a perfect combination since the Swiss Penny Cakes called for egg whites, and the Gateaux de Milan required egg yolks. Today we would consider these petite delicacies cookies.
 
Nineteenth century French chef Pierre Blot taught this recipe to his students at the New York Cooking Academy in the late 1860s. Considered America’s first celebrity chef, Blot’s teaching style was lively and conversational. His kitchen-classroom was prominently positioned on the stage of a huge lecture hall so his enthralled students could clearly see him describing the technique while his assistant demonstrated the process. First she mixed together butter, sugar, flour and egg. She then rolled out this dough into a large, very thin cake, and used a fancy tin cutter to cut out several little cakes. Next she beat an egg with a spoonful of water in a cup and lightly “painted” this mixture on the tops of the little cakes using a camel’s-hair brush, transferred them to a greased pan and popped them in the oven.

Blot explained that the cakes must be slightly burned around the edges in order for the centers to cook completely. To reinforce this advice, his assistant showed how a smaller tin cutter was placed over each little cake once it was baked and cooled in order to “remove the burned portions of the Gateaux.”
 
The result is a deliciously buttery cookie with a hint of lemon – simple, delectable elegance. In France, they are often featured during the Christmas season. Some recipes call for Cognac or rum; others for milk or cream. Use whatever tickles your fancy!