Instructions

1. 1

   Butter your 9 x 13 x 2 inch baking pan, or line with parchment paper.

2. 2

   Melt butter in a large saucepan over low heat. Once melted, add the marshmallows (minus 1 cup) and stir until melted, then remove from heat.

3. 3

   Stir in the vanilla, then add the Rice Krispies and the remaining marshmallows. Gently fold until all cereal is coated.

4. 4

   Transfer to the prepared pan and press down gently with a buttered spatula or your fingers.

5. 5

   Let cool for at least an hour before slicing and serving.