Watermelon seeds are small, dark green or light brown seeds from the watermelon plant. They are typically oval in shape, and have a hard, crunchy texture. Watermelon seeds are an excellent source of protein, fiber, and essential vitamins and minerals. They are also rich in antioxidants, which may help protect the body from disease. Watermelon seeds can be eaten raw, roasted, or ground into a flour and used in baking. They can also be ground into a paste and used as a spread or dip.