TUSD- Food Services Dept. The Layered Look Onions are one of the few vegetables hosting several outer layers of paper-thin skin. Each layer is actually a leaf of the onion. One of the mildest onions known is the Spanish onion.
White onions are normally mild and sweet in taste and red onions are the sweetest.
The onion was once held in high esteem with the Egyptians , who used it to pay tribute to their gods and as a form of payment to the slaves during the building of the pyramids. People have also believed that onions can aid in the prediction of weather. If there were many layers of skin on the onion then that meant a harsh and cold winter. It is said that Christopher Columbus introduced onions to the New World in 1493. Bulbing is the process by which onion bases swell into bulbs .