They are similar to white onions but smaller in size and milder and sweeter in taste. They are as white as a snowflake from the outside and have crunchy and juicy flesh.
White onions are commonly used in other Mexican cuisines, served finely diced over tacos, burritos, nachos, and meat dishes. Sandwiches and burgers. Try thinly sliced white onions on sandwiches and burgers for a crunchy texture and an oniony bite.
Store them in an airtight container (preferably a glass one, as plastic will absorb odor) to decrease oxidation, moisture absorption, and stickiness.