Add to cream of tartar, baking soda, xanthan gum and salt to almond and coconut flour. Mix well.
Now add butter, egg, Erythritol, lemon extract and lemon juice.
Beat until it's a smooth batter.
Add the dry ingredients and make a dough.
Divide the dough into equal parts.
Give each cookie the shape and design you want.
Bake the cookies for 10 - 12 minutes in a preheated oven at 180 C.
To make the glaze, beat Erythritol and almond milk together.
Let the cookies cool down once they are done, and then pour glaze on top.
Serve with afternoon tea and enjoy