This Thermomix recipe for peanut butter chocolate cake with peanut butter marshmallow frosting is a fun and playful dessert that is perfect for any casual occasion. The cake is made with a moist chocolate cake base that is layered with a creamy peanut butter marshmallow frosting and topped with chopped peanuts for added texture. The Thermomix makes it easy to whip up this cake in no time, and the result is a delicious and impressive dessert that everyone will love.