Bake chocolate cupcakes according to package but add in 1 cup of peanut butter.
In a bowl fit with electric mixer, beat together unsalted butter until whipped and creamy. Add in powdered sugar 1 cup at a time followed by caramel sauce until thick and desired frosting consistency achieved.
Add in vanilla extract and pinch of salt and mix well.
Pipe cupcakes with caramel buttercream.
Top with chocolate sauce and chopped peanuts and sprinkles! Add in mini chocolate chips if you like!