In the United States, so-called white pizza (or pizza bianca) may have any number of toppings, from feta cheese to clams; the only essential is a pale color.
pizza dough mix
10 oz, or 1 prebaked thin pizza crust
shredded part-skim mozzarella cheese
uncooked vidalia onion(s)
1 large, sliced and separated into rings
⅛ tsp, freshly ground, or to taste