Why some onions are sweet while others stay sharp
In short: Most people only know a fraction of the 14 onion varieties in existence. This guide breaks down the culinary logic behind different types, from why red onions should remain raw to the soil secrets that make certain varieties exceptionally sweet.
The video explores the botanical and regional diversity of onions, explaining how specific traits dictate their use in cooking. For example, white onions are favored raw in Mexican cuisine for their sharp bite that fades quickly, while red onions are typically kept raw to prevent them from turning brown during heat. The Vidalia and Walla Walla varieties are notable for their sweetness, which is legally protected and influenced by soil conditions.
The guide also distinguishes between common culinary staples like spring onions, green onions, and scallions, and more specialized shapes like the flat Cipollini or the permanently small Pearl onion. It even covers unique botanical oddities, such as the Egyptian walking onion that moves across gardens.
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Sources
- Summary by Intellect · source: Every Onion Explained
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