Midnight Cookies

Ingredients
1 cup all purpose flour
2 teaspoons instant espresso
1/2 teaspoon salt
2/3 cup best quality unsweetened cocoa powder (such as Valrhona)
1/2 teaspoon baking soda
8 tablespoons unsalted butter, at room temperature
1 cup packed light brown sugar
2 eggs
1 teaspoon vanilla extract
1 cup chopped walnuts
Procedures
1
In a medium bowl, whisk together flour, espresso, salt, cocoa powder, and baking soda.

2
In a large bowl, cream together butter and sugar until light and fluffy, about 3 minutes. Beat in eggs and vanilla until well combined.

3
Add flour mixture to bowl in two additions, each time beating just until mixed. Stir in walnuts.

4
Cover dough with plastic wrap and refrigerate one hour.

5
Preheat oven to 350°F. Line two baking sheets with parchment paper.

6
Drop dough by the tablespoon onto prepared baking sheets. Bake cookies until just starting to crack on top, but not totally dry, about 12 minutes.