Iceburg lettuce is the most popular in Australia. It has pale green leaves, a subtle flavour and is round in shape. Iceburg lettuce is about the size of a soccer ball and is available all year round. Nutrition: Iceburg 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: Iceburg lettuce is best known for being a key ingredient in salads. It is also great for a bit of extra crunch on a sandwich.