Halloween cookies
Ingredients200g unsalted butter, very soft140g golden caster sugar1 large egg yolk1 tsp vanilla extract300g plain flour, plus extra for rolling100g raspberry jam (or use lemon curd or chocolate spread)For the icing140g icing sugar, siftedfood colourings (optional)MethodSTEP 1Heat oven to 180C/160C fan/gas 4 and line 2 large baking sheets with baking parchment. Put the butter, sugar,…