Make three holes in the dry ingredients.
Into one hole pour 1 tsp. vanilla.
Into another pour 6 tbs. cooking oil. Into third pour 1 tbsp. vinegar.
Pour 1 cup cold water over all and beat with a fork until smooth.
Bake at 350ºf for 25-30 minutes.
Soften butter and beat in icing sugar gradually.
Beat thoroughly.
Add cold water then hot.
Add vanilla.