Dutch Sauce. No. 2. “Sauce Hollandaise.” (Bate.)
First put 2 ozs. of butter into a stewpan and put it on the fire to melt, then add 1 tablespoonful of flour. When well mixed together add about a teacupful of milk and mix well and smoothly in; after the sauce comes to the boil, let it boil for 10 minutes. Then have ready in a bain-marie pot 2 yolks of eggs, the juice of half a lemon, pepper and salt, to this add the sauce, mix all well together, put on to the fire but be sure it does not now boil or else it will curdle; just before sending to table add a table-spoonful of cream. Serve in a sauce-boat.