Mock Chopped Liver
["1/2 c. dry lentils", "2 c. chicken stock", "1/2 c. sliced yellow onions", "1/2 c. walnuts", "2 large hard-boiled egg whites (whites only)"]
["In a heavy saucepan, cook at a simmer the lentils and chicken stock.", "Cool until room temperature."]
["dry lentils", "chicken stock", "onions", "walnuts", "egg whites"]