Pistachio Lemon And Vanilla Shortbread Recipes

Steps:

• Mix flour, powdered sugar, and salt in processor. Add butter, pistachios, egg yolk, and vanilla. Using on/off turns, mix until moist ball forms. Transfer dough to work surface. Divide dough in half. Form each dough half into 8 x 1 1/4-inch log (if dough is too soft, chill until firm, about 30 minutes). Wrap logs in plastic; refrigerate until firm, about 4 hours. DO AHEAD Can be made 5 days ahead; keep chilled.
• Preheat oven to 325°F. Slice logs into 1/4-inch-thick rounds, rolling log after every few slices to retain round shape. Place rounds on ungreased baking sheets, spacing 1 inch apart. Bake shortbread until barely golden, about 18 minutes. Cool shortbread on baking sheets. DO AHEAD Shortbread can be made up to 4 days ahead. Store shortbread in airtight container at room temperature.

Steps:

• Cream butter and sugar until light and fluffy, 5-7 minutes. Beat in vanilla. In another bowl, whisk flour and salt; gradually beat into creamed mixture. Stir in pistachios., Preheat oven to 300°. On a surface sprinkled with confectioners' sugar, roll dough to 1/4-in. thickness. Cut with a 2-1/2-in. fluted round cookie cutter dusted with confectioners' sugar. Place cookies 1 in. apart on ungreased baking sheets. Bake until edges begin to brown, 18-20 minutes. Cool on pans 5 minutes. Remove to wire racks to cool completely., Spread preserves on bottoms of half of the cookies; cover with remaining cookies. If desired, combine confectioners' sugar and lemon juice until smooth. Drizzle over cookies.