In a small bowl, mix cinnamon and sugar, set aside.
Using a large skillet, melt butter over medium heat then add vanilla, stir well.
Next, add cheerios, coating evenly in butter. Cook for about 3 minutes, until cheerios are lightly toasted.
Remove from heat and pour the sugar-cinnamon mixture evenly over Cheerios, coating evenly. Allow to cool for a few minutes. Enjoy!
