In small bowl combine the golden flax meal and warm water to make the flax egg. Set aside for 10-15 minutes.
Preheat oven to 350 and line cookie sheets with parchment paper
In a large bowl mix brown rice flour, potato starch, tapioca starch, sugar, baking powder, xanthan gum, and salt.
Sift in the shortening until it is completely mixed into the dry ingredients.
Add only 1 cup of rice milk, the flax egg, vanilla and lemon and begin forming the cookie dough.
If the dough seems dry and is not forming well, begin adding rice milk, one teaspoon at a time. Your dough should begin to form. Do not add too much rice milk as your dough cold become too wet.
Form a dough ball and refrigerate in a covered bowl for 30 minutes
Dust work surface with a small amount of brown rice flour. Place a small amount of dough in between two pieces of parchment paper and roll dough out. Cut shape, repeat.
Once cookies are cut, place filled cookie sheet in freezer for 7 minutes just before baking.
Bake 11-13 minutes. Check the bottoms for just an outline of color. Do not over bake.
Cool cookies completely before applying the icing.
Serve and Enjoy!