1 (15.25- to 16.5-ounce) package pudding in the mix yellow cake mix
1/2 cup Land O Lakes® Butter, softened
1 Land O Lakes® Egg
3 cups miniature marshmallows
1/2 cup light corn syrup
1/4 cup sugar
1/4 cup firmly packed brown sugar
1/2 cup creamy peanut butter
2 teaspoons vanilla
2 cups crisp rice cereal
2 cups salted peanuts
1 cup candy corn
Heat oven to 350°F.
Combine cake mix and butter in bowl. Beat on low speed until well mixed. Add egg; continue beating until well mixed.
Press onto bottom of ungreased 15x10x1-inch baking pan. Bake 12-15 minutes or until set and edges are lightly browned. Remove from oven.
Immediately sprinkle marshmallows over hot, partially baked crust. Return to oven; continue baking 1-2 minutes or until marshmallows puff.
Combine corn syrup, sugar and brown sugar in saucepan. Cook over medium heat, stirring 2-4 minutes or until mixture comes to a boil. Remove from heat; stir in peanut butter and vanilla until smooth. Stir in cereal, peanuts and candy corn. Immediately spoon over marshmallows; spread to cover. Cool completely. Cut into bars.