Final answer:
A group of toppings that share the same portion size with onions typically include bell peppers, mushrooms, and olives, as these are common in dishes such as pizzas and salads where consistent portioning is crucial.
Step-by-step explanation:
To answer your question, we need to identify a group of toppings that would typically have the same portion size as onions when used in food preparation or presentation. This is a common practice in culinary arts, a branch of the hospitality industry.
Some toppings that are often portioned similarly to onions include bell peppers, mushrooms, and olives. These items are frequently used as pizza toppings, sandwich fillings, or in salads where consistency in portioning ensures balanced flavors and accurate nutritional content. These toppings can be diced, sliced, or chopped to a similar size and spread evenly over the dish to complement the other ingredients.