cheese souffle: puffy dish of cheese and eggs (whites beaten separately) and white sauce
souffle: light fluffy dish of egg yolks and stiffly beaten egg whites mixed with e.g. cheese or fish or fruit
fast of esther: (Judaism) a minor fast day on Adar 13 commemorates three days that Esther fasted before approaching the Persian king on behalf of the Jewish people; the fast is connected with Purim