If canned fish is used cover with cold water 20 minutes and drain.
Melt butter in sauce pan; add flour and stir until smooth.
Add milk slowly; boil until thick.
Rub yolks of eggs through strainer and add, stirring until smooth.
Add seasoning, and finely chopped egg whites.
Add fish which has been cut into small pieces.
Put all in top of double boiler over fire for 15 minutes.
Add sherry and serve immediately.
The New Dr. Price Cookbook (1921).