Prepare a 9X11 baking dish with parchment paper. Set aside.

Melt butter in a medium size pot in medium high heat. Add cinnamon and salt, stirring to incorporate. When butter is melted, add marshmallows and stir until melted.

Remove from heat and add in cereal. Stir until well mixed.

Place mixture in prepared pan, pressing down to make an even layer. Place in fridge to set up, approximately 30 minutes. Remove from refrigerator, cut into squares and serve.