Pink Lettuce Is The New, Trendy & Expensive Vegetable. Some say it is more important to LOOK good than taste good. Pink lettuce is the new thing and it is NOT artificially dyed. It’s called pink radicchio and has a slight bitter taste. It’s starting to show up in stores and will make great your salads look great in pics, but it will cost you. It sells for about 5 times MORE than regular green lettuce! Will YOU try it?