It's a beautiful salad full of texture and bursting with flavor, and it has an unexpected star. When was the last time you added grapefruit to your greens? The result is a splash of citrus in every bite. Dina Driggs shares her recipe for a delicious avocado grapefruit salad. She shares her tips for how to slice a grapefruit the right way, and a method for how to cut romaine lettuce into the perfect bite-sized chunks.