1 med. Irish potatoes
1/2 c. vinegar
1 tsp. salt
1 pt. Wesson oil
1 tsp. dry mustard
1/2 tsp. sugar

Boil potatoes, mash while hot. Add salt and mustard. Add very slowly the oil, constantly beating. Season with Tabasco, onion juice and Worcestershire sauce to taste. A bit of turmeric may be added to give proper color. Used in World War I.