Preheat oven to 500 F (260 C). Spread the tomato evenly over the pizza.
Add the mozzarella cheese.
Add all the other ingredients: marinated artichokes, black olives, prosciutto, mushrooms, and hard boiled egg.
Spread the olive oil on the pizza. Add salt and pepper. Bake the pizza for approximately 20 - 25 minutes. Lift one side to check for readiness. Pizza is ready when the bottom surface is light golden brown.