Preheat the oven to 180°C / Gas Mark 4.
Lightly grease 2 baking trays.
Cream the butter and WHITWORTHS LIGHT SOFT BROWN SUGAR together in a large bowl for 1-2 minutes.
Add the egg and vanilla and continue to beat for 1 minute.
Add the remaining ingredients and beat until combined.
Take tablespoons of dough, roll slightly and place on the baking tray allowing an inch of space around each cookie.
Bake in a preheated oven for 10-12 minutes, or until golden and cooked through. After 1 minute, transfer to a cooling rack.
Serve warm or cold.