Pistachio Cookies

• Cookie Dough
• 1 cup unsalted butter
• 3/4 cup sugar
• 1 egg
• 2 teaspoons vanilla extract
• 2 1/2 cups flour
• Filling
• 1/2 cup shelled pistachios
• 1/4 cup confectioners' sugar
• 1 egg yolk
• 1 tablespoon water
• Egg wash
• 1 egg
• 1 teaspoon water

1. For the dough: Place butter and sugar in the bowl of an electric mixer; beat on medium speed until creamy, about 2 minutes.
2. Add egg and vanilla; beat 1 minute.
3. Slowly add flour, beating on medium speed until a stiff dough forms.
4. Roll out dough on floured surface to a rectangle 3/8-imch thick; wrap in plastic.
5. Freeze until firm, 15 minutes.
6. For filling: Place pistachios and sugar in a food processor; process until powdery.
7. Add egg yolks and 1 Tbs water; process to a smooth paste.
8. Remove dough from freezer; unwrap.
9. For the wash: Beat egg with 1 teaspoon water; brush over top of dough.
10. Press pistachio paste over dough.
11. Roll dough and filling into a log; wrap tightly in plastic wrap, foil, or parchment paper.
12. Freeze until very firm 1 hour or overnight.
13. Heat oven to 350u0b0F.
14. Remove dough from freezer; unwrap.
15. Slice rolled dough into 3/8-inch thick slices.
16. Bake on cookie sheet until edges are golden brown, about 12 minutes.

unsalted butter, sugar, egg, vanilla, flour, filling, pistachios, sugar, egg yolk, water, egg wash, egg, water

Taken from www.food.com/recipe/pistachio-cookies-44402 (may not work)