dough 16 oz, sauce 7 oz, cheese 11 oz, sausage 6 oz, onions 2 oz, shrooms 2 oz.
Also, yes, you are correct in calculating the food cost of each item for your menu. And yes, the food cost of a 16" pizza is probably about 15-20%, maybe even less if you charge $1.75 for add’tl toppings. However...