This peanut butter chocolate cake is a decadent dessert that combines the flavors of chocolate and peanut butter. The cake is made with cocoa powder, buttermilk, and peanut butter, which gives it a rich chocolate flavor and a moist texture. The frosting is a peanut butter caramel frosting made with caramel sauce, peanut butter, powdered sugar, and vanilla extract. It is creamy and delicious, and it complements the chocolate cake perfectly. This cake is perfect for any special occasion, and it is sure to impress your guests.