Cream butter and sugar until light and fluffy.
Add the egg, vanilla extract, and almond extract and mix until combined
Add the flour, cream of tartar, baking soda, and salt. Gently fold the dry ingredients into the wet ingredients until combined.
Let dough rest for 20 minutes in the fridge.
Preheat oven to 350 degrees F (177 degrees F).
Prepare 2 baking sheets by covering them with parchment paper.
Add the earl grey tea to a spice grinder and pulse until it turns to powder.
Combine all the ingredients for the chai spice mixture in a bowl. Mix until combined.
Use a 2 tbsp cookie scoop (small cookie scoop) to scoop the dough into your hand.
Roll into a ball. Drop the dough ball into the chai spice mixture and coat with the mixture. Repeat this process one more time to ensure the dough is full coated.
Place dough on the prepared baking sheet. Flatten with the palm of your hand.
Bake for 9-11 minutes until the edges start to brown.
Chill for 5 minutes on the baking sheet before transferring to a cooling rack to cool completely.