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["Place a rack in middle of oven and preheat to 450u00b0F. Sprinkle flour evenly over a rimmed baking sheet and toast, stirring often once top layer of flour browns, until all flour is golden, 10-15 minutes (flour will burn quickly, so check often). Let cool, then sift into a medium bowl and whisk in egg yolks and salt.", "Using an electric mixer on medium speed, beat butter and sugar in a medium bowl, until pale and fluffy, about 5 minutes. Reduce speed to low and add flour mixture plus 2 Tbsp. water; mix just until combined (mixture will look crumbly but will hold together when pinched). Transfer dough to a sheet of parchment paper and form into a 12"" log. Tightly roll up in parchment, then wrap tightly in plastic. Chill until firm, at least 4 hours.", "Preheat oven to 400u00b0F. Slice a little dough from both ends of log to square off; unwrap and slice dough 1/4"" thick. Place on rounds on parchment-lined baking sheets, spacing about 1"" apart. Bake cookies, rotating baking sheets halfway through, until edges are golden but centers are still pale, 10-12 minutes. Let cookies cool on baking sheets 5 minutes, then transfer to wire racks and let cool completely.", "Dough can be made 1 day ahead. Keep chilled, or freeze up to 1 month."]
