· heres a simple guide to different types of onions and how to choose the optimal variety for every recipe and occasion. Find out the health benefits, storage tips, and cooking methods for each type of onion. · learn the differences between yellow, white, red, and sweet onions, and how to use them in various dishes. · from bermuda onions to yellow onions , we’re covering the most popular types of onions from a to z in this helpful guide to onions! · we did a deep dive into the humble allium and consulted with an onion expert to drill down on the 7 most common types of onions and how to use them. Learn the differences between white and yellow onions, shallots, spring onions, scallions , and more. · there’s more than one kind of onion in the world.