Preheat oven to 350.
Line baking sheets with parchment paper.
In a small bowl combine dry ingredients.
In mixer bowl, cream together butter, sugar and vanilla. Beat on med high speed for 2 to 3 min until light and fluffy.
Add eggs and beat 30 - 60 seconds (on med high) until batter is smooth, opaque and slightly fluffy.
Add dry ingredients and mix on low speed until just fully combined. About 30 - 60 seconds. Be sure to scrape down sides of bowl midway through to prevent clumps of flour.
Mix cinnamon and sugar in a small bowl.
Using cookie scoop, scoop up cookie dough and roll in cinnamon sugar to coat.
Place on lined cookie sheet about 2 inches apart.
Bake for 10-12 minutes until bottoms are golden and tops are dry but still soft.
