Egg-Crust Vegetarian Breakfast Pizza has a lot of pizza toppings on an eggy crust. When I posted my Egg-Crust Breakfast Pizza with Pepperoni, Olives, Mozzarella, and Tomatoes a few people asked why it was not called a Frittata.  (If you're not familiar with Frittatas, they're a type of Italian omelet that's cooked partly on the(…)