Cream butter; add lemon juice, yolks of eggs, one by one. When well blended add seasonings and cook over boiling water, just long enough to thoroughly heat the mixture. Should the mixture become overcooked, add two teaspoons cold water and beat vigorously.

Horse-radish Sauce

Mix horse-radish, bread crumbs, salt, paprika and [White Sauce]. When hot, add lemon juice and vinegar.

Horse-radish Hollandaise

To [Hollandaise Sauce] add a few drops of onion juice and five tablespoons grated horse-radish.

Lobster Sauce

To [White Sauce] add one half tablespoon lemon juice, one cup chopped lobster meat, and the dried and pounded lobster coral.

Lobster Hollandaise