Put the combined biscuit mixture into your cake tin, or mini muffin tin, push down to create a base. Bash the biscuits up in the bag or between a tea towel , or in your food processer until breadcrumb texture, add to melted butter
Spread the hazelnut spread over the base. Combine the sugar, water and lemon juice in a small saucepan and stir over a low heat until the sugar has dissolved