Snickerdoodles

1 cup butter, softened
1 1/2 cups granulated sugar
2 eggs
3 cups gluten-free flour mixture
1 teaspoon baking soda
1/2 teaspoon gluten-free baking powder
2 teaspoons cream of tartar
1/4 teaspoon salt
2 tablespoons granulated sugar
2 teaspoons cinnamon

Whip together butter, 1 1/2 cups sugar and egg thoroughly.

Sift together flour mixture, baking soda, baking powder, cream of tartar and salt. Blend into creamed mixture.

In small bowl, stir together 2 tablespoons sugar and cinnamon. Shape dough into 1-inch balls and roll in cinnamon-sugar. Place on ungreased baking sheet and bake at 400 degrees F for 8 minutes or until bottoms are lightly browned.