Almond flour
Almond flour (rather than almond meal, which is coarser) is a great gluten-free alternative for pizza crusts. If you've experimented with wheat flour substitutes, you've probably come across it, though the two aren't always interchangeable. You'll be relieved to learn that almond flour can be used to make pizza crust. If a lot of cheese isn't your thing, whisking the flour with an egg, baking soda, and seasonings works just as well. To avoid lumps, thoroughly combine the ingredients; a food processor can assist in achieving a smooth result. You'll need to pre-bake the crust before adding the toppings unless you melt the cheese first.
Cappello's is the obvious choice for a packaged version that tastes the same. The company offers two almond flour pizza crusts: the naked pizza crust, which includes eggs, cheese, and various gluten-free flours, and the keto pizza crust, which includes turnip, eggs, cheese, and a few other binders. You can even purchase the pizzas pre-loaded with cheese, sausage, vegetables, and various toppings.