Horse-radish Sauce (Cold) for Salmon. No. 2. (Mrs. Creswell. 1882.)
Half Mayonnaise, half horse-radish.
Part 1. (Mayonnaise part.) To 1 yolk of egg whisk in fresh salad oil very gradually drop by drop, also a little tarragon vinegar, making a ½ pt. of sauce in all, rather less than more. Season to taste.
Part 2. (Horse-radish part.) Grate a tablespoonful of horse-radish and mix it with whipped cream, add a little French vinegar, a small eggspoonful of made English mustard, a ½ teaspoonful of powdered sugar, and a little salt, if wanted.
Mix parts 1 and 2 together to make the sauce.