Prepare cookie sheet with a piece of parchment paper. Set aside.Melt peanut butter chips in the microwave at medium power in 30 second increments and stir until smooth.Using a spreader, rubber spatula, knife or the back of a spoon, spread melted peanut butter chips onto parchment lined sheet in a ¼" even layer.
10 ounces peanut butter chips
Melt chocolate chips in the microwave at medium power in 30 second increments and stir until smooth.Using a knife or spoon, swirl melted chocolate into peanut butter.
8 ounces chocolate chips
Gently press pretzels, candy, and marshmallows onto the top of peanut butter chocolate mixture and allow to set until solid.Using a knife or pizza cutter, break into pieces.