Preparation Steps

• Preheat oven to 375°F (190°C).
• Cream together the butter and sugar until light and fluffy.
• Beat in eggs, one at a time.
• In a separate bowl, whisk together the flour, cream of tartar, baking soda, and salt.
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
• In a small bowl, combine the cinnamon and sugar.
• Roll the dough into 1-inch balls and roll in the cinnamon-sugar mixture.
• Bake for 8-10 minutes, or until the edges are lightly golden brown.