1) Heat oven to 180C/160C fan/gas 4. 2) Beat the butter, eggs, sugars and vanilla, until creamy. 3) Stir in the flour, baking powder, raisins, chocolate and walnuts, to make a stiff dough. 4) Using a tablespoon drop small mounds, approximately 30, onto a large greased, baking dish, spacing them well apart. 5) Bake for 10-12 mins until golden, leave to harden for a couple of minutes before transferring to a wire rack to cool.