Brown off the butter
Mix in brown sugar, white sugar, vanilla essence or paste, egg, and golden syrup
Mix in flour, baking powder, and chopped chocolate
Roll into 10 small balls
Bake at 180 degrees fan bake for 12 minutes (or 7 minutes if using gluten-free flour)
Top and bottom with melted chocolate
Leave to set for around an hour or put in the fridge
