Spray a 9 x 13 inch baking pan with cooking spray. Set aside.

In a large saucepan melt the butter over medium heat.

Add in the marshmallows and mix constantly until the marshmallows have melted. Mix well to combine with the butter.

Remove from heat and stir in the Cinnamon Toast Crunch.

Add in the cinnamon chips and white chocolate chips and mix well. The chips will melt partially.

Immediately pour into the prepared pan and smooth the top. Allow to cool for 15 minutes.

Cut into 21 pieces.