What is the specification level for onions on a supreme pizza with extra onions?

The specification level for onions on a supreme pizza with extra onions is determined by the additional toppings and the quality requirements set for the ingredients. In this case, the specification of "3 + x visual spec" indicates a standard where the base level of onions is increased to accommodate the "extra" request.

Specifically, this means that the pizza is expected to have a baseline of 3 levels of onions, which ensures a satisfactory quantity for flavor without overwhelming the dish. The "x" denotes the visual specification, which emphasizes consistency in appearance and quality across all pizzas being served. This level of specification ensures that the extra onions added to the supreme pizza meet visual standards that align with the overall branding of Pizza Hut, promoting both quality and customer satisfaction.

Choosing this specification level is important to maintain the integrity of the dish while also meeting customer preferences for additional toppings. The other levels do not accurately reflect the need for a heightened quantity of onions along with the visual quality requirements for them.