1 In a saucepan, steam or boil lima beans in unsalted water for about 10 minutes. Drain. 2 In sauté pan, sauté onions and fennel in oil.3 Add beans and chicken broth to sauté pan, and cover. Cook for 2 minutes. 4 Stir in spinach. Cover and cook until spinach has wilted, about 2 minutes.5 Stir in vinegar and pepper. Cover and let stand for 30 seconds. 6 Sprinkle with chives and serve.