Engineered Cooking

1. In a stand mixer or using a hand mixer cream together the butter and sugar. Once the butter and sugar have been creamed add in the egg yolk and vanilla and mix until combined.

2. Add the flour and the cinnamon to the butter mixture and mix by hand. Turn out onto a floured work surface and lightly knead. Shape the dough into two logs - approximately 2 inches thick. Place the dough into the refrigerator until firm - approximately 2 hours.

3. Preheat the oven to 300 and place the rack in the middle of the oven.

4. Remove the dough from the refrigerator and slice the logs into ¼ inch thick slices. Place onto a cookie sheet, mix the egg white and water together to create an egg wash. Brush the top of the cookies with the egg wash and sprinkle on the chopped nuts.

5. Place cookies in the oven for 20 minutes, the cookies should lightly browned when done. Remove and let cool slightly on the cookie sheet, once slightly cooled let cool completely on a wire rack.