– You can replace the sugar with a sugar substitute if that is your thing. – You can also replace the skim milk with cream if you don’t want to use any milk. – You can skip the chocolate altogether if you want a more traditional pie. – There are many different crust options to be found. In this recipe, I have used a dark chocolate crumb pie crust. If you wish, you can substitute that with a graham crust or another type of cookie-like topping.