Grease a small sheet pan, cast iron skillet or casserole dish. Set aside. Preheat oven to 350°F.
In medium size bowl, combine Crust's dry ingredients: cassava flour, tapioca flour, coconut flour, coconut sugar, gelatin, baking soda and sea salt. Add wet ingredients: water, olive oil and apple cider vinegar. Use a hand mixer to combine ingredients (or use a food processor to mix).
Press dough into prepared dish. Bake 10 minutes, then remove from oven briefly to put on toppings.
Spread with No-Tomato Sauce. Add optional AIP Cheese (spread or dollop). Top both with cooked sausage, sliced olives and any other favorite pizza toppings (wait to add pesto). Bake an additional 15 minutes, until bubbly all over.
Garnish with pesto, fresh chopped basil and/or course sea salt. Cut into 6 or 8 equal portions. And serve.