Walnut Coffee Cookies

Directions

1. 1
   Combine 1 1/4 cups of the walnuts, the flour, baking powder, and salt in a food processor.
2. 2
   Pulse the machine repeatedly until the nuts are chopped into very fine pieces.
3. 3
   Set aside.
4. 4
   Finely chop the remaining nuts by hand and set them aside in a small bowl.
5. 5
   Using an electric mixer, cream the butter until smooth, gradually adding the sugar. Beat in the egg, then stir in the vanilla and coffee.
6. 6
   Add the dry mixture to the creamed ingredients, stirring the dough with a wooden spoon until evenly combined.
7. 7
   Cover the bowl with plastic wrap and refrigerate for at least 2 hours.
8. 8
   Adjust one oven rack so it is in the center position.
9. 9
   Preheat the oven to 350°F.
10. 10
    Get out 1 or 2 large baking sheets and butter them lightly or line with parchment.
11. 11
    Pinch off pieces of dough and roll into balls 1 1/4-inches in diameter.
12. 12
    Roll in the finely chopped nuts and place on the cookie sheet/s, leaving a little room between them.
13. 13
    Bake -- one sheet at a time -- for 16 to 18 minutes, until firm to the touch.
14. 14
    Cool briefly on the sheet, then transfer to a cooling rack to finish cooling. Store in an airtight container.