Please remember that NYC pizza is trying to be Endicott pizza.
Nirchi's in the Binghamton area makes decent gluten free pie. My homemade gluten free isn't great but it is okay.
1 tablespoon yeast dissolved in
3/4 cup room temp milk
1/2 cup potato starch
3/4 cup cornstarch
1 tablespoon xanthan gum
1/4 teaspoon baking soda
1 teaspoon baking powder
1/2 teaspoon salt 1/4 cup shortening
keep it thin and hide it under a good sauce