Add flour, baking soda, cream of tartar, nutmeg and cinnamon.
Stir to mix all ingredients to form the dough.
Cover the dough and refrigerate for 1-2 hours.
Preheat the oven to 350℉.
In a small bowl, combine 2 tbsp of sugar and 1 tsp of cinnamon.
Remove the dough from the refrigerator.
Roll the dough into 1 tbsp balls. Drop the dough balls into the cinnamon sugar and coat before placing on to the sheet pan. Keep unused dough in the refrigerator between batches.
Bake the snickerdoodles for 10 minutes.
Remove the sheet pan from the oven and allow to cool for 2 minutes on the pan before cooling on the wire rack.
These can be served 10 minutes after baking and can be stored in an airtight container for up to a week.