"Not everyone is enthusiastic about them. They require double peeling, a job you might find tedious. But it goes more quickly than you’d think, especially if you have some company around to help, glasses of rosé in hand. Don’t believe those who tell you that young favas in particular don’t require double peeling; the light green skins that surround the beautiful darker bean have nothing going for them -- they’re bitter and fibrous."
Farm-Fresh Favas - Recipes for Health - NYTimes.com