1/2 teaspoon espresso powder or instant coffee powder, optional
1/2 cup finely chopped pecans or walnuts
Instructions
Preheat the oven to 350 F.
Line a baking sheet with parchment paper or leave it ungreased.
In mixing bowl with electric mixer, beat the butter and sugar until light and fluffy. Add the vanilla and eggs, blending well.
In another bowl, combine the flour, baking soda, salt, cocoa powder, and espresso powder, if using; stir into creamed mixture, blending thoroughly. Stir in chopped nuts.
Place the cookie dough on a sheet of wax paper and shape into a roll about 2 inches in diameter. Wrap the roll in the wax paper and refrigerate until thoroughly chilled.
Slice the roll into thin slices. Place on the baking sheet and bake for 10 to 12 minutes.