Preparation Steps

• Preheat the oven to 350°F (175°C).
• In a mixing bowl, beat together the softened butter, cream cheese, and sugar until smooth.
• Add the egg and vanilla extract, mixing until fully incorporated.
• In a separate bowl, whisk together the flour, baking soda, cream of tartar, cinnamon, and salt.
• Gradually add the dry ingredients to the wet mixture, stirring until combined.
• Drop spoonfuls of dough onto a baking sheet lined with parchment paper.
• Bake for 10-12 minutes or until edges are lightly golden.
• Allow to cool on the baking sheet for a few minutes before transferring to a wire rack.