2 tbsp. sugar
1 tbsp. ground cinnamon
1 c. apple cider
1 bottle champagne
On a small plate, combine sugar and cinnamon. Dip champagne flutes in water to wet the rims, then dip in cinnamon sugar mixture.
Fill champagne flutes 1/4 full with apple cider, then top off with champagne.
As found here: http://www.delish.com/cooking/recipe-ideas/recipes/a46963/apple-cider-mimosas-recipe/