Cashew Nut Cookie

Ingredients 125g salted butter,softened 85g icing sugar (sifted) 1 egg yolk ¼ tsp vanilla extract 240g plain flour, sifted 100g ground cashew nut 40g custard powder ¼ tsp baking powder 1 egg yolk, lightly beaten for glazing cashew nuts for decoration (toast in oven for about 5-8 mins at 180 deg C) Instructions Beat butter,…