You don't need to cook it yourself to get cubed cooked chicken. Look for 9-ounce packages of diced, cooked chicken in the frozen food department of your grocery store. Each package contains about 2 cups of chicken. You can also buy cooked chicken from the deli.
The baked Italian pizza crust can be found in the bakery department, the deli area or the refrigerated section of your grocery store. It is about 12 inches in diameter.
To bake pizza, place on ungreased cookie sheet; bake at 450°F. for about 12 minutes.