Sauce Mayonnaise

Ingredients

 * 0.5 cup vegetable oil
 * 1 egg's yolk
 * 1 tsp mustard
 * salt
 * sugar
 * vinegar (to taste)

Directions

 * 1) Pour out yolks of eggs into china-ware, add mustard and make a smooth mixture. Add gradually, by one teaspoon, vegetable oil and mix thoroughly. Add sugar, vinegar and again mix everything.