List Of Vegetables That Are Really Non-Sweet Fruits:
Bell Peppers (Green, Red, Yellow, Orange, etc), Okra, Tomatillos Tomatoes, Cucumbers, Tamarillos
While these are technically fruit, they are considered vegetables for culinary purposes. Without the high cellulose and starch content of many other vegetables, but with plenty of water and a great nutrient mix, they are ideal food.
They should be eaten regularly, and are excellent additions to salads. Many are members of the nightshade family.