Marshmallow, Chocolate and Hazelnut Cookies

Ingredients

• Chocolate Shortbread

  • ½ cup (75 g) unbleached all-purpose flour
  • 3 tbsp cocoa powder, sifted
  • ½ tsp baking powder
  • ¼ tsp salt
  • ¼ cup (55 g) unsalted butter, softened
  • ¼ cup (55 g) brown sugar
  • 1 egg yolk
  • ½ cup (125 ml) chocolate-hazelnut spread (Nutella-style)

• Marshmallow

  • 1 tbsp gelatin
  • ¼ cup (60 ml) water
  • ½ cup (105 g) sugar
  • 2 tbsp (30 ml) clear corn syrup
  • 2 egg whites

• Chocolate Coating

  • 8 oz (225 g) 70% dark chocolate, chopped
  • 3 tbsp roasted hazelnuts, finely chopped
  • Edible gold leaf (optional)