?Mustard, Russian Style is a recipe that includes mustard, horseradish, and mayonnaise.
Mix together dry mustard, 1 cup sugar, and 1 tsp salt with 1-cup boiling water. Mix well until the mixture is smooth and resembles heavy cream. Pour another 1-cup boiling water over the top and let stand 3 to 4 hours. Add 3 tsp. sugar, lemon juice, 1/2 tsp. salt and Wesson oil. Mix well.