Cream butter, granulated sugar, and brown sugar together, until light and fluffy.
Add in maple syrup, vanilla extract, and egg; beat until well combined.
Sift dry ingredients together in a separate bowl, and slowly incorporate into the wet ingredients.
Chill dough for at least 1 hour.
Preheat oven to 375 degrees and line a baking sheet with parchment paper.
Mix cinnamon and sugar together in a small bowl.
Roll dough into about 1 1/2" balls, and the roll in cinnamon sugar. Place 2" apart on the baking sheet, and bake for 8-10 minutes, or until tops have cracked and the cookies are set.