This is a play on 2 of our preferred classics: the Thin Mint and New york city City’s renowned black-and-white cookie. Then comes the drama: geometric swipes of white sanding sugar and dark melted chocolate. If that’s your thing, the mint taste will magnify as the cookies sit; make ahead.

Active ingredients

• 2 tsp. baking powder
• 2 1/2 cups (320 g) all-purpose flour, plus more for cleaning
• 1 1/2 tsp. kosher salt, plus more
• 2 cups (loaded; 45 g) chose mint leaves (do not utilize stems), patted dry
• 1 cup (200 g) granulated sugar
• 1 1/4 cups (2 1/2 sticks) saltless butter, space temperature level
• 1 big egg
• 1 big egg yolk
• Coarse white sanding sugar or Swedish pearl sugar (for embellishing)
• 1 cup (120 g) powdered sugar
• 2 Tablespoon. (20 g) Dutch-process or unsweetened cocoa powder
• 1 Tablespoon. light corn syrup

Unique Devices

• A 3″- size cookie cutter

Preparation

• Whisk baking powder, 2 1/2 cups flour, and 1 1/2 tsp. salt in a medium bowl to integrate. Pulse mint and granulated sugar in a food mill till mint is carefully sliced. Include butter; procedure to integrate. Include dry components and pulse once again to integrate. Include egg and egg yolk; pulse till a shaggy dough types.

• End up dough onto a gently floured surface area and knead simply till dough holds its shape. Divide dough in half; pat each part into a 1″- thick disk. Wrap disks in plastic and chill till company, a minimum of 2 hours.

• Location racks in upper and lower thirds of oven; preheat to 350 °. Dealing with 1 disk at a time, present dough on a gently floured sheet of parchment paper to about 1/4″ thick, cleaning with more flour as required to avoid sticking. Punch out rounds with gently floured cookie cutter and set up on 2 parchment-lined baking sheets, spacing 1″ apart. Pat dough scraps into a 1″- thick disk. If soft, Wrap in plastic and chill 10 minutes. Repeat procedure with scraps.

• Hold a bench scraper or straightedge upright 1″ from edge of a cookie to cordon off a shallow semicircle (do not push down into dough; you’re simply making a barrier). Coat semicircle with sanding sugar; carefully press to adhere. Get rid of scraper; you need to have a neat sugared edge. Repeat with staying cookies and more sanding sugar.

• Bake cookies, turning flat pans leading to bottom and back to front midway through, till edges are gently browned, 10 – 12 minutes. Let cool 10 minutes on baking sheets, then move to 2 cake rack set inside 2 rimmed baking sheets; let cool entirely.

• Sort powdered sugar and cocoa powder into a medium bowl. Include corn syrup, a pinch of salt, and 2 Tablespoon. warm water and stir up until shiny and smooth.

• Position bench scraper to make another shallow semicircle on the other side of the cookie, angling it so that it forms a V with the sugared edge, gently pushing scraper into cookie to make a barrier. Spoon 1 tsp. glaze onto exposed semicircle and utilize a toothpick to assist coat equally; excess will leak over sides. Raise scraper directly and over chocolate side to produce a cool edge. Repeat with staying cookies and glaze. Let sit till glaze is set, a minimum of 2 hours.

• Do Ahead: Dough can be made 1 month ahead; freeze. Defrost in fridge prior to utilizing. Cookies can be baked 1 day ahead; shop firmly covered on a rimmed baking sheet at space temperature level.