Peppermint Chocolate Slab Pie:Β This Peppermint Chocolate Slab Pie starts with a cookie crust which is filled with a luscious, truffle-like peppermint chocolate pie filling. To top off, thereβs a peppermint marshmallow(!) whipped cream which makes a nice contrast to all the chocolate beneath. Easy to make and yielding enough to serve 12+, this is …