double chocolate peanut butter cookies These double chocolate peanut butter cookies are the perfect combination of salty & sweet. Makes a dozen 120g butter 1 cup sugar 1 egg 1 tsp vanilla 1 1/2 cups plain flour 1/2 cup cocoa 1/2 tsp baking powder 1/2 tsp baking soda 100g dark chocolate pieces 1/2 cup peanut butter chips