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["Preheat oven to 375 degrees F. Line cookie sheets with parchment paper.", "In a small bowl, mix spices together. Reserve 1/4 tsp of spice mixture for glaze.", "In a separate bowl, mix together flour, salt. Add in unreserved spice mixture.", "In a large bowl, cream together butter, sugar, and vanilla. Add in flour mixture and beat until ingredients are just combined. (Dough will still be crumbly.) Stir in 1/4 cup pistachios. With your hands, continue mixing and press dough together until it forms a ball.", "Divide dough in half. Transfer one half to lightly floured surface and press (or gently roll) into 1/4"" thick rectangle. Cut with round (or other shape) cookie cutter and use a knife or spatula to place cookies about 1"" apart on prepared cookie sheet. Repeat with other half of dough.", "Bake 10 minutes, or until lightly browned on edges. Cool 2-3 minutes on cookie sheets and then carefully transfer to cooling rack.", "Mix together powdered sugar, vanilla, reserved 1/4 tsp spice mixture and milk, adding a little more milk if necessary to get desired consistency (thick but spreadable).", "When cookies are cool, spread a thin layer of glaze on about half the cookie. Cover that half with chopped pistachios. Let stand until glaze/pistachios are set."]