Snickerdoodle Rice Krispy Treats 3 cups Rice Krispy cereal 1 cup Cinnamon toast crunch cereal 1 Jar of Marshmallow Fluff 1 1/2 bags Mini Marshmallows 5 tbsp butter 2 tbsp Sugar 1 tbsp cinnamon 1. Melt butter in a large pot. Add 1 bag of the mini marshmallows and the entire jar of the marshmallow fluff. Stir continuously till melted. Add 2 more cups of mini marshmallows. Stir till they are just about melted. 2. In increments, add the cereal. Stir till well coated. 3. In a small bowl, combine sugar + cinnamon. 4. Press into a 11x13 parchment- lined pan. Top with cinnamon sugar mixture. 5. Add another sheet of parchment paper and weigh it down with heavy books. Let sit for 1 hour +. 6. Remove from tray and cut into squares.