Mix together egg whites, coconut and almond flour, flax meal, 3/4 cup shredded mozzarella cheese, and seasonings.
Using 9×15 cookie sheet, spray abit of non-stick spray on the sheet. Then spread a piece of parchment paper on the tray and spray it again prevent sticking.
Pour pizza crust mixture onto the sprayed parchment paper lined cookie sheet and spread around as evenly as possible, making sure to get to the corners.
Bake for 20-25 minutes at 450F, or until cooked through all over.
Remove from oven and let cool slightly before adding desired toppings.
Put back into the oven and bake at 450F for 5-10 minutes, until toppings have baked up and cheese has melted. Broil on high for a few minutes to brown the crust, if desired.