Carrot Cake Rice Krispies with Cream Cheese Frosting

Generously spray a 9 X 13 pan with cooking spray. Set aside. In a large pan, melt butter, marshmallows, and vanilla over low heat. Stirring until smooth. Remove from heat and stir in carrot cake mix and Rice Krispies until well combined. Scrape mixture into prepared pan. Spray your hands with cooking spray and then quickly press mixture out evenly into pan. (Or you can rub a bit of butter on your hands.) Be careful as it is warm! Let mixture cool. In a bowl, beat cream cheese and vanilla until smooth. Slowly beat in icing sugar until spreadable consistency. Frost Rice Krispies in pan. Cut and serve.