We have used them for over 12 years. We use canned hearts that come cut in 1/4s. We put them on the pizza like any other topping after tearing them in half. We charge a double topping price for them.
On most popular specialty pizza for the last 12 years: The Snow in Texas: Chopped Garlic and Olive Oil as sauce, ricotta, Mesquite chicken breast, artichoke hearts, roma tomatoes, mozzarella.