10 Fruit And Vegetables You Should Never Peel ByAnna Hartley, 11/20/2017 Gourmandize shares Share on Facebook Share on Twitter Pin it Share on WhatsApp Share on Google+ 8/11 Previous Next Zucchini Zucchini is very low in calories, 16 calories per 100g, but full of minerals and trace elements, as well as vitamins C, B and A. You can safely eat it raw, skin on, or steamed, in a salad, or cooked up into a delicious ratatouille.