Pay Day Bars

1 yellow cake mix

1/2 cup margarine/butter

1 egg

3 cup mini-marshmallows

2/3 cup light corn syrup

1/4 cup margaine/butter

2 tsp vanilla

12 oz peanut butter chips

2 cups salted peanuts (optional)

Beat first 3 ingredients at low speed until crumbly. Press in ungreased 9×13″ pan.  Bake at 350 for 15 minutes.  Remove from oven and put 3 cups mini marshmallows on top of crust.  Return to oven with oven off for 1 minute or so until marshmallows are soft.  Place last 4 ingredients in medium saucepan.  Melt until chips are smooth, stirring often.  Add 2 cups salted peanuts.   Spoon mixture over marshmallows. Chill.