In a saucepan, put 3 liters of milk and heat it
 Before the milk starts to boil, add 9 tablespoons of white vinegar, and stir for one time only
 Using a food strainer, drain the milk from the water
 Leave the milk to drain completely from the water
 In a cooking pot, add a liter of milk, then 3 tablespoons of starch, 3 tablespoons of sugar and 3 tablespoons of flour.
 Stir the mixture well before heating it
 After the mixture is melted, heat it on  medium heat, then add a teaspoon of vanillaAfter about 5 minutes, remove the mixture from the stove and leave it to cool  Add the milk and starch mixture to the milk mixture and stir well
 Cover the mixture with a wrap and put it in the fridge (the wrap should be flush with the surface of the cream)