Coral lettuce has green, tight crinkly leaves resembling the look of coral. The leaves have a slightly bitter taste and are available all year round. Nutrition: Coral lettuce is low in sodium with virtually no fat or cholesterol. It is a good source of dietary fibre as well as Vitamin A, C and K, meaning it's great for your eyesight, blood and immune system. Storage: Lettuce can be covered in plastic and stored in the fridge for up to two weeks. Ideal Use: Coral lettuce adds a great variety of texture to any salads or sandwich.