These shortbread-like cookies hail from Brittany, a region of France renowned for its delicious butter. Be sure not to underbake them or they will not be crisp enough. Scoring the lattice pattern on the top takes a bit of time, but it’s easy to do and the end result is well worth the effort.
Recipe information
Yield
makes about 2 dozen
Ingredients
Preparation
Step 1
Sift both flours, baking powder, and salt into a large bowl; set aside.
Step 2
In the bowl of an electric mixer fitted with the paddle attachment, beat the egg yolks and sugar on medium-high speed until doubled in volume and pale yellow, 2 to 3 minutes, scraping down the sides of the bowl as needed. Add the butter in four parts, beating until completely combined after each, 1 to 2 minutes total. With the mixer on low speed, add flour mixture, beating until combined.
Step 3
Turn out the dough onto a lightly floured surface. Divide in half, and flatten into disks; wrap each in plastic. Refrigerate at least 30 minutes or up to 1 day.
Step 4
Preheat the oven to 325°F, with racks in the upper and lower thirds. Line two large baking sheets with parchment paper; set aside. Generously dust a large piece of parchment paper with flour. Place one disk of dough in the center, and roll out to slightly thicker than 1/4 inch. To prevent sticking while rolling, occasionally run a large offset spatula under dough, and add more flour to the top or bottom. Transfer parchment and dough to a baking sheet; chill until firm, about 15 minutes. Repeat with remaining disk. (You can stack sheets of dough in the freezer.)
Step 5
Remove one sheet of dough and parchment from the freezer, and transfer to a clean work surface. Using a 2 1/2-inch round cookie cutter, cut out rounds and place about 1 1/2 inches apart on prepared baking sheets. Gather the scraps; roll out again and cut out more rounds. In a small bowl, whisk together the whole egg and 1 tablespoon water; brush over tops of rounds. Let stand 5 minutes and brush again. Using a paring knife, score each round in a shallow lattice pattern, making sure not to cut all the way through the dough. Repeat with remaining dough.
Step 6
Bake, rotating sheets halfway through, until cookies are amber on top and deeply golden around the edges, 18 to 22 minutes. Transfer parchment and cookies to a wire rack to cool completely. Cookies can be kept in an airtight container at room temperature for up to 4 days.
Breton Biscuit how-to
Step 7
After each round of dough is brushed with egg wash, a sharp paring knife is used to score a decorative diamond pattern on the top.
