Top 10 Fruits and Vegetables with Non-Edible Skin

Their skins aren't necessarily poisonous but usually people peel the skin for other reasons.
The Top Ten
1 Banana
2 Watermelon
3 Pomegranate

What a great idea for a list.

4 Kiwifruit
5 Pumpkin
6 Pitaya / Dragon Fruit
7 Garlic
8 Mango
9 Onion
10 Cantaloupe
The Contenders
11 Mandarin

Sometimes the skin is grated and used in small quantities as a spice; in big quantities it's too bitter to eat

12 Orange
13 Eggplant / Aubergine
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