01 -
Preheat oven to 175°C. Spread hazelnuts on a baking sheet and toast for 10-12 minutes, stirring halfway through. Allow to cool, then roughly chop. Reserve 60g of chopped hazelnuts for the topping.
02 -
In a medium bowl, whisk together flour, cocoa powder, baking powder, and salt. In a large bowl, cream butter with granulated and brown sugars until light and fluffy (2-3 minutes). Add egg and vanilla extract, mixing until smooth. Gradually incorporate the dry ingredients, then fold in the toasted hazelnuts.
03 -
Line a baking sheet with parchment paper. Scoop tablespoon-sized portions of dough, roll into balls, then gently flatten into discs. Bake in the preheated oven for 10-12 minutes, until edges are set. Cool completely on a wire rack.
04 -
In a microwave-safe bowl, melt chopped chocolate and coconut oil in 30-second intervals, stirring between each until smooth. Dip each cooled cookie into the chocolate, ensuring full coverage. Place on a wire rack or parchment paper and immediately sprinkle with reserved chopped hazelnuts. Allow chocolate to set completely at room temperature or refrigerate to accelerate.