Place the potatoes, salt and water in a soup pot. Cover and bring to a boil. Cook the potatoes for 10 minutes or until tender. Mash the potatoes with the cooking liquid in the pot. Heat the oil in a skillet and sauté the onion for 3 to 5 minutes. Add the onions, Edensoy, green beans, marjoram and black pepper to the mashed potatoes. Bring almost to a boil. Reduce the flame and cook another 10 minutes or until the beans are tender. Serve hot.
Per serving - 285 calories, 6 gram fat (20% calories from fat), 10 gram protein, 50 gram carbohydrate, 5 gram fiber, 0 milligram cholesterol, 464 milligram sodium