Mix cake mix, 1/3 cup margarine and egg in bowl. Press in bottom of 9 x
13 pan and bake at 350 degrees for 12 to 18 minutes. Remove from oven.
Sprinkle with marshmallows. Return to oven for 1 to 2 minutes, until
marshmallows begin to puff. In saucepan, heat corn syrup, 1/4 cup
margarine, vanilla and chips until melted. Remove from heat and stir in
Rice Krispies and peanuts. Spoon over marshmallows; spread to cover.
Chill and cut bars. (I did not chill)