Snickerdoodles

from mynameissnickerdoodle.com

Cookies 
1/2 cup butter, softened
1/2 cup shortening
1 1/2 cups granulated sugar
2 large eggs
2 tsp cream of tartar
1 tsp baking powder
1/2 tsp baking soda
1/4 tsp salt
2 3/4 cups all purpose flour

Sugar Sprinkle
1/2 cup granulated sugar
3/4 tsp cinnamon

Preheat oven to 350 degrees.  In a small bowl, mix together Sugar Sprinkle mixture.  Set aside.  In a large mixing bowl, cream together butter, shortening and sugar for 2 minutes.  Add in eggs and mix until well combined.  Blend in cream of tartar, baking powder, baking soda, salt, and flour just until incorporated.  Take 2 TBSP of dough and roll it into a ball.  (I use a 2 TBSP cookie scoop for ease).  Roll each ball in the sugar sprinkle and place 12 on a cookie sheet.  Lightly press down on each cookie with the flat bottom of a cup or your hand.  Bake for 7-9 minutes.