This dish is a little different then your used to seeing. It is called 'Italian Chopped Salad in Shells' What is is all the ingredients in a salad you prepare in a shell type pasta. It won't work with little shells only jumbo shells. It does take about 3 hours to prepare and make but for only 64 calories per serving it is worth the wait. Here is the recipe link http://www.food.com/recipe/italian-chopped-salad-in-shells-29329
They offer similar dishes at 'Sweet Greens' located 659 Bolyston in the back bay in Boston, Massachusetts or at 'Maggino's Little Italy' located on 4 Columbus Ave in Boston.