1 c. peanut butter chips
1 c. semi-sweet chips
3/4 c. evaporated milk
1 tbsp. vanilla
2 c. butter
2 1/4 c. sugar
7 oz. marshmallow cream

Put peanut butter chips in 1 bowl and chocolate chips in another bowl. Set aside. Butter an 8 inch pan. Combine milk, butter, sugar and marshmallow cream in heavy saucepan. Cook over medium heat until the mix starts to boil. Cook 5 more minutes. Remove from heat and add vanilla. Pour about 1/2 mix over the peanut butter chips and stir. Pour into buttered pan. Pour remaining mix over chocolate chips and stir. Spread over top and cool.