PEANUT BUTTER & CHOCOLATE CHIP COOKIES

• 50g peanuts • 125g unsalted butter • 125g Essential Smooth Peanut Butter • 100g Tate & Lyle Fairtrade Golden Caster Pure Cane Sugar, plus 1 tsp for sprinkling • 100g light brown soft sugar • 1 large British Blacktail Free Range Egg • 200g plain flour • 1⁄2 tsp fine salt • 1⁄2 tsp bicarbonate of soda • 100g plain chocolate, cut into chunks