This section is from the book "Simple Italian Cookery", by Antonia Isola. Also available from Amazon: Simple Italian Cookery.
Cut off the ends and string some young string-beans. Cook them in salted water, then drain them well. Put them in a saucepan with some butter, parsley, and chopped onion. Be careful to add occasionally some broth if the beans dry up before they are completely cooked. Boil slowly, and a few moments before taking them off the fire add the yolks of one or two eggs (according to the quantity of beans) well beaten up with a little water, the juice of a lemon, and some grated Parmesan cheese. Stir from time to time, and never allow them to boil, or the eggs will set. To keep the beans a good color put a pinch of soda into the water with the salt.
Take some young string-beans, cut off the ends, and string them. Wash them in cold water, drain, and while still wet put them into a baking-dish with some good olive-oil, some chopped onion and parsley, salt, and pepper. Put the dish on the fire with its cover on, and cook slowly. As the beans dry add the juice of some tomatoes, or some good tomato conserve. Take care they do not burn.
 
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