Are you familiar with icebox cakes? They’re fairly new to me (um, where have these been my whole life?). An icebox cake is a no-bake “cake” composed of cookies or graham crackers layered with whipped cream. The cake sits in the refrigerator until the cream softens the cookies to an almost cake-like consistency. The longer the cake sits in the refrigerator, the softer and more cakey the cookies become. A typical icebox cake is fairly plain, but I turned things up a notch and I came up with this Peanut Butter Fudge Icebox Cake….