Created by dienia b on January 19, 2023
Step 1: In a food processor
Step 2: Process the black sesame seeds, sugar and salt until the mixture forms tiny clumps, about 3 minutes.
Step 3: Scrape the bowl and add the flour.
Step 4: Pulse until the flour is evenly incorporated with the seeds into a sandy mixture.
Step 5: Add the butter and vanilla
Step 6: And pulse until the mixture goes from coarse crumbs to large clumps.
Step 7: Transfer to a sheet of plastic wrap and firmly squeeze, and roll into a 2-inch-diameter log.
Step 8: Wrap tightly and refrigerate overnight
Step 9: When ready to bake
Step 10: Heat the oven to 350 degrees F
Step 11: Line 2 baking sheets with parchment paper.
Step 12: Cut the chilled log into ⅓-inch-thick slices and place on the prepared sheets, spacing ½ inch apart. If any bits of dough crumble off while slicing, pat them back into the rounds.
Step 13: Sprinkle 1/2 the tops with the white sesame seeds.
Step 14: Bake, switching the positions of the sheets halfway through, until the edges are brown and the tops golden brown, 18 to 20 minutes.
Step 15: Cool completely on the sheets on wire racks