Preheat oven to 350 degrees. Mix together cake mix, egg, 1/3 cup
peanut butter and butter. press into bottom of a 9x13 inch pan and
bake 10 min. Remove from oven. Top with 1 cup milk chocolate
chips, reeses pieces and white chocolate chips. Pour milk over top.
bake 20-25 min. Allow to cool on rack. Once cooled, melt 1/2 cup
milk chico chips and 1/4 cup peanut butter, mix together and
drizzle over bars. Cut and serve.