The vegan diet consists (most often) of many (or all) of the following: 1  Fruits: Bananas, berries, kiwis, papayas, mangos, pineapple, stone fruits. 2  Vegetables: Kale, spinach, chard, broccoli, peas, cauliflower, cabbage, mushrooms, peppers. 3  Tubers and starchy vegetables: Sweet potatoes, pumpkins, squash, yams.