Hamburger Pie
["1 medium onion, chopped", "1 lb. lean ground beef", "salt and pepper", "1 (No. 303) can green beans (2 1/2 c.)", "1 can condensed tomato soup", "5 medium white potatoes, cooked", "1/2 c. warm milk", "1 beaten egg", "salt and pepper"]
["Cook onion in a little hot fat until golden.", "Add meat and seasoning.", "Brown.", "Add drained beans and soup.", "Put in 1 1/2-quart casserole.", "Mash potatoes.", "Add milk, eggs and seasonings.", "Spoon in mounds over meat.", "Bake at 350\u00b0 for 30 minutes.", "Makes 6 servings."]
["onion", "lean ground beef", "salt", "green beans", "tomato soup", "white potatoes", "warm milk", "egg", "salt"]