Hazırlanışı
1Preheat oven to 200°C. Melt 120g butter with 4g caster sugar, then stir in 190g flour and 40g ground hazelnuts until combined.
2Pipe choux pastry into two 20cm rings on parchment paper. Brush with beaten egg and sprinkle ground hazelnuts on top.
3Bake choux rings at 200°C for 35–40 minutes until golden and crisp. Cool completely on a wire rack.