Green Beans with Lemon, Garlic and Walnuts

Fill a large pot halfway with water. Bring to a boil. Add beans and cook 6 minutes or until crisp-tender. Drain in a colander; rinse with cold water until cool. Pat dry with paper towels. In same pot, melt butter over medium heat. Add walnuts and garlic and cook, stirring frequently, 2 to 3 minutes, or until garlic begins to turn golden. Turn walnut mixture into a small bowl. Add green beans and lemon juice to pot. Cook, tossing frequently, 3 to 4 minutes, or until hot. Add walnut mixture, grated lemon, salt, and black pepper and toss well.