1Preheat oven to 350. Mix cake mix and butter until well mixed. Add egg and beat until all mixed together.
Press dough mixture in to the base of a greased 9x13 pan. Bake for 12-14 minutes until edges are light brown or until set.
Add marshmallows to the top and return to oven for 1-2 minutes until marshmallows puff up. Remove from oven.
Combine corn syrup and sugars in a pot on medium heat. Stir for a few minutes until mixture comes to a boil. Remove from heat. Stir in peanut butter and vanilla until smooth. Add cereal, peanuts and candy corn. Mix well. Pour over marshmallow mixture.
Let cool and cut into bars for serving. ENJOY!