Mayonnaise (cheap version)

Description
Although Mayonnaise is not a Dutch invention, it has become a staple with Dutch chips. Of course the Dutch have made a cheaper version of Mayonnaise, which is easy to make.

Ingredients

 * ½ liter water
 * 1½ tbsp corn flour
 * 1 egg yolk
 * 1 tbsp white wine vinegar
 * 3 tsp vegetable oil
 * salt, pepper to taste
 * 1 tbsp mustard

Directions

 * 1) Mix the egg yolk with salt, pepper and mustard.
 * 2) Mix in the corn flour and as much as the water as is necessary to get a smooth paste.
 * 3) Pour this paste into the rest of the water that you have brought to the boil and bring back to the boil.
 * 4) Take off the heat and mix in the vegetable oil.
 * 5) Leave to cool and use as mayonnaise.