These sandwich cookies get their pleasantly bitter, intense chocolate flavor from extra-dark or black cocoa powder. Once filled, store them in an airtight container in the refrigerator so they stay crisp. The recipe is from Gillian Shaw of Black Jet Baking Company in San Francisco, adapted from a recipe in Thomas Keller’s cookbook Ad Hoc at Home. Slideshow:  More Sandwich Cookie Recipes 

Gillian Shaw
February 2015

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Recipe Summary

active:
30 mins
total:
2 hrs 45 mins
Yield:
Makes 16 cookies
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Ingredients

Cookies
Filling

Directions

Make the cookies
  • In the bowl of a stand mixer fitted with the paddle, mix the flour, cocoa, sugar, salt and baking soda. Add the butter and mix at low speed until the dough is sandy, about 10 minutes. Transfer the dough to a sheet of parchment paper, cover with another sheet of parchment paper and roll out 1/4 inch thick. Transfer to a cookie sheet and refrigerate until completely chilled, about 1 hour, or freeze.

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  • Preheat the oven to 350°. Stamp out cookies using a 1 1/2-inch round cutter and place them on 2 parchment-lined baking sheets 2 inches apart. Bake 1 sheet at a time for about 12 minutes, until slightly firm. Transfer to a rack to cool completely.

Meanwhile, make the filling
  • In a bowl, cream the butter with the salt. Add the confectioners’ sugar, vanilla and milk and beat until light and fluffy. Transfer the filling to a piping bag fitted with a round medium tip.

  • Pipe a mound of filling on the underside of half of the cookies. Top with the remaining cookies and press lightly. Refrigerate until the filling has firmed up, about 1 hour.

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