Make this recipe a recipe that people in that category can eat. categories: ['dairy_free'], recipe: combine flour, sugar, salt, mustard and cayenne pepper in top of double boiler. stir in eggs, butter, milk and vinegar. cook over boiling water, stirring constantly until mixture begins to thicken. remove form heat and cool pour into a jar w/ cover refrigerate.

Target recipe: place sugar, flour, dry mustard, salt, and pepper in the top of double boiler. blend in 1 cup water until thoroughly mixed. place over direct heat and bring to a boil, stirring constantly but gently. cook 1-2 minutes longer after mixture comes to a boil. stir in vinegar. beat the egg yolks slightly then stir 3 tablespoons of the hot mixture into the eggs. beat vigorously. immediately blend the egg mixture into the mixture in the top of the double boiler. place over simmering water and cook 3-5 minutes. stir slowly to keep mixture cooking evenly. remove from heat and stir in margarine. cool and store in refrigerator in tightly covered jar. before using, thin to desired consistency with cream, fruit juice or vinegar.