Ingredients

  • 1/3 cup (75 mL) butter, melted
  • 1 egg
  • 1 tsp (5 mL) vanilla extract
  • 1/3 cup (75 mL) unsweetened cocoa powder
  • 2 tbsp (25 mL) granulated sugar
  • 2 cups (500 mL) hazelnut flour (see Variations)
  • 1 cup (250 mL) unsweetened desiccated coconut
  • 1/2 cup (125 mL) chopped walnuts
  • 1/4 cup (50 mL) butter, softened
  • 3 tbsp (45 mL) milk
  • 1/4 cup (50 mL) GF custard powder (optional) (see Notes)
  • 2 cups ( 500 mL) GF sifted confectioners (icing) sugar
  • 1 tsp (5 mL) shortening
  • 1 to 2 oz (30 to 60 g) semi-sweet chocolate, cut into 6 pieces
  • 9-inch (2.5 L) square pan, lightly greased

Method

  • Base: In a large bowl, blend together melted butter, egg and vanilla.
  • Add cocoa, sugar, hazelnut flour, coconut and walnuts.
  • Stir until combined.
  • Spread evenly in prepared pan.
  • Chill completely.
  • Filling: In a separate bowl, using an electric mixer, cream butter.
  • Slowly add milk, custard powder, if using, and confectioners sugar.
  • Mix until combined.
  • Spread over base and chill.
  • Glaze: In a small bowl, microwave shortening and chocolate on Medium for 1 to 2 minutes.
  • Stir until completely melted.
  • Drizzle in ribbons over chilled filling.
  • Refrigerate before cutting into squares.
  • Variations:
  • Substitute gluten-free white cake crumbs, almond flour or pecan flour for hazelnut flour.
  • For a more traditional thick glaze, melt together 3 to 4 oz (90 to 120 g) semisweet chocolate and 1 tbsp (15 mL) butter.
  • Substitute an equal amount of instant vanilla pudding mix for custard powder.