Lunchbox Cookies Cuisine: American Prep time: 25 mins Cook time: 15 mins Total time: 40 mins Serves: 4 Ingredients 75 g butter 65 g dark brown sugar 100 g caster (granulated) sugar 1 tsp vanilla essence (extract) 1 egg 175 g plain (all purpose) flour 1/2 tsp baking powder 1/2 tsp bicarbonate of (baking) soda