Line 2 baking sheets with parchment paper; set aside.
Mix cereal and marshmallows in a large bowl. Set aside.
Melt white chocolate and peanut butter together in separate large bowl; microwave until smooth.
Once the white chocolate and peanut butter mixture is melted, pour it over the cereal mixture and stir until completely coated.
Drop using a tablespoon onto the lined pans.
Sprinkle with mini chocolate chips, if desired.
Place in refrigerator until chocolate is set.