Preheat oven to 325 F.
In a medium bowl, combine flour, baking soda, and salt.
Whisk until fully combined; to aerate.
Melt butter completely in a microwave safe bowl.
In a large bowl using an electric mixer, cream together the brown sugar, white sugar, and melted butter.
Beat in the vanilla and eggs.
Continue beating until batter is light and creamy.
In increments, add in flour mixture, mixing after each addition.
Add in the 2 cups of non-crushed Rice Krispies Holiday Cereal and mix well by hand.
Place 1″ balls of dough on cookie sheet lined with parchment paper.
Bake 8 to 10 minutes until edges are a light golden brown.
Remove from sheet to cooling rack.