Switch up your lettuce game with Fresh Butter Lettuce. One of the most nutritious of the lettuces, Butter Lettuce is high in folate, iron, and potassium as well as a group of potent antioxidants called carotenoids, including beta carotene, lutein, and zeaxanthin. Butter lettuce has a soft, delicate texture and a mild, sweet flavor that lends itself to all kinds of uses. Also known as Boston or bibb lettuce, use butter lettuce to amp up a salad, add some leafy crunch to a sandwich, or in place of...