Ingredients

  • 1/4 cup butter, softened
  • 1/4 cup superfine sugar
  • 1 egg, beaten
  • 2 teaspoons instant coffee granules
  • 1 1/2 cups all-purpose flour
  • 1 cup cornstarch
  • 1 teaspoon baking powder
  • To decorate
  • 2 ounces semisweet chocolate, melted
  • Coffee filling
  • 1/4 cup unsalted butter, softened
  • 3/4 cup powdered sugar, sifted
  • 1 egg yolk
  • 1 teaspoon instant coffee granules

Method

  • Preheat oven to 350° and grease 3 or 4 baking sheets.
  • In a bowl, beat butter and sugar until light and fluffy.
  • In separate bowl, beat egg with coffee granules until dissolved. Gradually add to creamed mixture, beating well.
  • Sift the flour, cornstarch and baking powder over mixture.
  • Stir in to make a soft dough and knead lightly.
  • On a floured surface, roll dough to a 1/8-inch thickness.
  • With a 2-inch fluted cutter, cut out cookies and place on prepared baking sheets.
  • Bake 10-15 minutes, until firm and lightly browned.
  • Transfer cookies to wire racks to cool.
  • Put the cooled, melted chocolate into a pastry bag and snip off end.
  • Pipe parallel zigzag lines on half the cookies.
  • For cookie filling: In bowl, beat butter and powdered sugar until smooth and creamy.
  • In another bowl, mix egg yolk with coffee granules; add to creamed mixture and beat until smooth.
  • Spread the filling on plain cookies and then sandwich together.
  • Let cool in cool place until filling is firm.