Endive is a green and white vegetable that looks much like a long pale lettuce. It has a bitter flavour and a crisp texture. Nutrition: Endive is a good source of Vitamin C making it great for your immune system and general wellbeing. Storage: Endive should be stored in an air-tight container or plastic bag and kept in the crisper in the fridge for 2 ? 3 days. Ideal Use: Endive can make a great appetizer and is also great in salads.