Food Guide

Weirdly Fascinating Facts About Onions That You Never Knew!

Why is onion so weird? It’s got a weird name, it’s got a weird shape, it’s got a weird texture, it’s got a weird flavor, it’s just weird, okay?

This is probably the first thought that crossed your mind when you saw an onion for the first time. “Why is this thing so weird? What’s its deal?” You may have even asked your parents, “Why is onion so weird? What’s it doing in my dinner?”

Well, wonder no more.

1. It’s a vegetable, but it’s also a fruit.

I know, you’re thinking to yourself “this is ridiculous, an onion is obviously a vegetable”.

But the truth is, an onion is actually a fruit.

You see, an onion is a plant that grows from a bulb.

That’s why it has the word “bulb” in the name.

And if you’re thinking “well then, an onion isn’t a vegetable at all, it’s just a plant”, I’ve got news for you: all vegetables are plants.

You might be asking yourself why we even bother to distinguish between fruits and vegetables.

After all, they’re both healthy and good for you.

And that’s true, fruits and vegetables are both packed with vitamins, minerals, and antioxidants.

But fruits and vegetables are also quite different.

Fruits are typically sweeter, and they have a different texture and flavor than vegetables.

So even though onions are technically fruits, they’re usually considered to be vegetables.

But wait, there’s more! Onions are also biennials, which means that they grow leaves in the spring and summer, but they don’t produce flowers and fruits until the fall.

So if you plant an onion, it will grow leaves during the first year, but it won’t produce a bulb until the second year.

This makes onions quite unique among vegetables, as most vegetables are annuals, which means that they grow leaves, flowers, and fruits during the same year.

2. It has a unique, savory flavor that’s hard to match.

The onion is a unique vegetable in many ways.

While it is a nutrient-dense food packed with vitamins, minerals, and antioxidants, it might be best known for its distinctive flavor and odor.

The strong flavor of onions is due to thiosulfinates, volatile compounds that are responsible for the onion’s characteristic flavor and aroma.

Thiosulfinates are also responsible for the eye-watering effect that onions can have.

Not only is the onion unique in its flavor, but it is also quite unusual in its shape.

While most vegetables are roughly spherical or oval in shape, onions are distinctive in their tubular, elongated form.

This shape is a result of the way that onions grow, as they are actually a type of underground stem that grows horizontally below the soil surface.

While onions may be unique in their flavor and shape, they are also highly versatile and can be used in a variety of dishes.

3. When you slice it, it can release a strong, unpleasant odor.

The onion is a weird vegetable.

When you slice it, it can release a strong, unpleasant odor.

And the way it makes you cry is just plain weird.

But there’s a reason for all this.

The onion has chemicals called “thiols” that are responsible for its characteristic flavor and odor.

These thiols are also found in other vegetables and fruits, such as garlic, shallots, and leeks.

But why does the onion have these thiols? Well, it turns out that the onion is a very delicate plant, and it needs to protect itself from insects and other predators.

Thiols are a natural insect repellent, so the onion has developed these chemicals to protect itself.

The thiols are released when the onion is sliced, and they are responsible for the onion’s characteristic flavor and odor.

4. It can make you cry.

Onions are so weird.

Why do they taste soapy and make you cry when you cut them? This is actually a bit of an oversimplification of the chemistry involved.

There are a few different compounds in onions that are responsible for the tears, but one of the main ones is called lachrymys factor.

Lachrymys factor is a compound that’s found in onions, garlic, and other members of the Allium family.

It’s actually a fairly small molecule, and it’s responsible for a lot of the flavor and aroma of these vegetables.

But lachrymys factor is also what’s responsible for making you cry when you cut an onion.

The reason it does this is because it’s actually a very small protein, and whenever you cut into an onion, you’re actually breaking open the cells of the onion and exposing the proteins inside.

5. It has a lot of health benefits despite its odd

The onion is a strange vegetable.

It has a lot of health benefits despite its odd appearance and strong flavor.

Onion contains vitamins, minerals, and antioxidants that can help boost your immune system and reduce the risk of developing certain diseases.

It also has anti-inflammatory, antibacterial, and antiviral properties.

Onions are also low in calories and high in fiber, making them a good choice for weight loss.

They can be added to many dishes to add flavor, or eaten raw as a snack.

Key Points

So, as we have learned from this interesting discussion on the curious nature of the onion, it is clearly a vegetable with a unique, savory flavor that is hard to match.

However, what is equally notable about this bulbous plant is the powerful, sometimes unpleasant odor it emits when it is cut open.

In conclusion, it can be confidently stated that the onion, despite its generally savory flavor, is a rather irregular vegetable that can surprise and challenge even the most experienced foodies.

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Emily W.

Emily Wong is an Asian-American food writer the founder of With nearly 8 years of experience, she has a passion for making cooking accessible to everyone and sharing her personal experiences with food. Emily's vision for is to create a community of food lovers who are passionate about cooking, eating, and sharing their experiences with others. Read my story
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