Boss Peanut Butter Cookies - hands down THE BEST peanut butter cookies I've ever eaten! Recipe from The Cake Boss. The secret ingredient makes all the difference!!! Peanut butter, crisco, brown sugar, sweetened condensed milk, vanilla, egg, flour, baking powder, chocolate chips, peanut butter chips. SO soft and delicious. Can make ahead of time and refrigerate dough for a week or freeze for 2 months. These are incredible! Seriously the best peanut butter cookies recipe!