Dulce de Leche from Sugar

Ingredients

 * 3 liters of milk
 * 2 tablespoons of vanilla
 * 1 teaspoon of baking soda
 * 800 grams of fine sugar

Directions

 * 1) Add to a large pot all the ingredients in this order: milk, sugar, vanilla and then, baking soda.
 * 2) Place over a low low fire and stir slowly.
 * 3) Continue stirring until it becomes thick and brown.
 * 4) The preparations can take around 2 hours.