CRUST: Mix until crumbly:

Yellow cake mix
1 egg
1/3 c. butter

Press into a 9 x 13 ungreased pan. Bake at 350 for 18 minutes or until light brown.

TOP:

3 c. miniature marshmellows
1/4 c. butter
2/3 c. white Karo syrup
1 pkg. peanut butter chips
2 tsp. vanilla
2 c. Rice Krispies
2 c. peanuts

Cover baked crust with marshmellows. Return to oven until marshmellows are puffed up. In a pan, melt butter, Karo syrup, chips, and vanilla. When melted, add Rice Krispies and peanuts. Mix well and put on top of marshmellows. Cool and cut.