Preheat oven to 325* and cut candy bars into 1/4" pieces and arrange on bottom of pretzel crust.
Beat cream cheese and sugar at medium speed with an electric mixer until blended. Add sour cream and peanut butter, beating until just well blended. Add eggs one at a time, beating just until yellow disappears after each egg you add.
Spoon mixture over candy on crust. Back for 35-40 minutes or until set. Remove and place on a wire rack and let cool completely before refrigerating. Cover and chill for 2 hours before serving.
You can add your optional toppings right before serving or when you first put it in the refrigerator to cool. Enjoy!