Is Peeling Vegetables Wrong? If It Is, Then Why Do We Do It?

The Peel Divide: When Kitchen Traditions Clash with Nutritional Science

Asian parents like to peel everything. They often believe it is healthier. As an Asian kid, I wholeheartedly believed it too, since my grandmother would tell me that. That was until I arrived in Estonia and overheard that fried potato skins are a delicacy there, how much more nutritious they are, and how it is also a way reduce food waste.

Image source: https://themodernnonna.com/air-fryer-potato-skins/

I naturally did not believe it. I started arguing with my Estonian friends, but they proved me wrong with information on their phones. They showed me that fruit and vegetable peels are often the most nutrient-rich part (BBC). For example, a boiled potato with skin can contain up to 175% more vitamin C and 115% more potassium than a peeled one (Healthline). I was so confused, and I truly believed that my grandmother could not share bad advice. I had to cross-check with my dad since he is a food scientist, and he confirmed that potato peels—and many others—are indeed packed with fiber, vitamins, minerals, and antioxidants. I was so stunned.

I was wondering if it was so for other vegetables and fruits?

And if so, then why do people always peel them? Even the fitness and wellness people on Instagram and YouTube peel tomatoes before preparing them; they peel all vegetables, in fact.

My dad explained the other side. Yes, peels are nutritious, but people peel for strong reasons, too. Peeling is the most effective way to remove pesticide residues that can seep into the skin (Healthline). It’s about safety and tradition, ensuring cleanliness and a tender texture, especially for fruits with tough, bitter, or inedible skins like onions or citrus. My grandmother’s habit came from a deep-seated priority for what she saw as purity and digestibility.

So, it’s a balance. The science is clear: eating the peel maximizes nutrition, helps you feel fuller, and can boost antioxidants. But life isn’t just about nutrition charts. It’s also about practicality, taste, and cultural wisdom. My grandmother wasn’t wrong; she was operating from a different set of values. Now I understand both sides. Sometimes I peel for tradition and a smooth dish, and sometimes I scrub well and eat the skin for a health boost. The real lesson was that there is rarely one perfect answer, even in something as simple as preparing a potato.

For the curious minds—yes, banana peels and mandarin peels are more nutritious too, often containing concentrated fiber, vitamins, and antioxidants. There are even dedicated recipes for using the whole banana, like these:

Banana peel breakfast cake
Use every part of the banana, including the peel, in this clever breakfast loaf. It’s delicious without the whipped…www.bbcgoodfood.com

Ultimate Seville orange marmalade
The original, and classic, English marmalade, as made famous by Paddington Bear. From BBC Good Food.www.bbcgoodfood.com

References:

BBC - https://www.bbc.com/future/article/20250124-eat-the-peel-why-you-might-be-throwing-away-the-best-bit-of-your-fruit

Healthline - https://www.healthline.com/nutrition/peeling-fruits-veggies