Novelties: Veggie Pizza with Portobello Mushroom Crust

This was one of my more inventive ideas - along with Venergy Drinks, coming soon. I still think it is theoretically possible to pull this off, but I'm not convinced the effort is worth it, since you can cut the stem off a portobello to make a mini-pizza anyway.

The basic idea, though, was to make a pizza crust without using dough. I've played around with roasted portobello mushroom dishes and decided that if I threw some mushrooms in my food processor and added some oil, I could make a crust. I threw in a few cloves of garlic, because why not get that in the "crust" directly if you can?

Ingredients:
2-3 portobello mushrooms
2-3 cloves of garlic
1/2 cup (maybe? Eyeball it) olive oil
1/2 cup tomato sauce, or canned diced tomatoes with basil and oregano
diced veggies/toppings of your choice
cheese of choice - enough to cover

Then the toppings are just like a basic pizza. You could theoretically do whatever you want.

I baked it for over an hour at 350 degrees. The "crust" never cohered, and burned a little around the edges. Although you couldn't eat it like a pizza, which was my main goal, it still tasted pretty good.

I'm thinking an egg or something else with emulsifiers might work better to bind it if I try it again. I may try to make the crust thinner, too. Pre-cooking or drying the crust may help as well.