Curly Endive is a famous salad plant that is much more than just lush greens. It looks like lettuce but is a mild, bitter-tasting leafy green. Endive is one of the most nutritious foods, containing antioxidants, fiber, potassium, minerals, vitamin K, vitamin C, vitamin A, phytonutrients, and other beneficial plant components. This hearty green goes well in stews, soups, salads, and pasta.