Grease a 9x13 pan.
Sprinkle half of the peanuts in the bottom of the pan.
Melt peanut butter chips and butter together.
Stir in sweetened condensed milk.
Mix in marshmallows and make sure all marshmallows are coated.
Pour mixture on top of peanuts in the pan.
Sprinkle the rest of the peanuts on top and press down on them to make sure they stick.
Refrigerate for a couple hours and then cut bars.
Melt chocolate chips in a microwave safe bowl and dip each bar in the chocolate.
Let bars cool on wax paper in the refrigerator. Once the chocolate sets take the bars out and enjoy.