Hug And Kisses Butter Cookies
["1 large egg yolk (room temperature)", "1 tsp. vanilla extract", "3 c. flour", "2/3 c. sugar", "1 c. plus 1 Tbsp. very cold butter, cut into 17 pieces (2 sticks plus 1 Tbsp.)", "1 c. powdered sugar", "raspberry preserves (optional)"]
["In a small cup, stir egg yolk and vanilla together.", "In a food processor, place flour, sugar and salt.", "Process 10 seconds.", "Add butter; process until mixture resembles coarse meal, 20 to 30 seconds.", "Add yolk with machine running through the feed tube and process 5 seconds; scrape the bowl, then process until the liquid is evenly absorbed, about 10 seconds.", "Remove dough to a work surface.", "Press dough together until it forms a ball.", "Divide dough in half and shape into 2 thick disks.", "Wrap each in plastic wrap. Refrigerate several hours or overnight.", "When ready to bake, preheat oven to 350\u00b0.", "Lightly butter several cookie sheets. Remove dough from refrigerator and allow it to soften slightly. Place each piece of dough between 2 new pieces wrap or waxed paper. Roll out to 1/8-inch thickness.", "Remove top wax paper.", "Cut any desired shape.", "Bake 15 minutes.", "Sprinkle with powdered sugar."]
["egg yolk", "vanilla extract", "flour", "sugar", "very cold butter", "powdered sugar", "raspberry preserves"]