Why not make international style pizzas
Toppings
Corn,shrimp,egg, anchovie(give the fish some love guys), tomato, kale, cauliflower, pepper, tomatoes, squash(pumpkin), garlic, truffle, mushrooms,
Heck with wheat you could make gluten and then make artificial meat. Loma Linda makes some very tasty vegan meats. Now they don't taste like meat and if that's what you expect then you going to spit it out. However what it is is a tasty alternative. The can chik and big franks are awesome. With a similar themed artificial meat it could open up some formerly unavailable recipes to be apple to be made.