Italian liquors: how to make marsala all'uovo

If you are one of those wild things that love to dance the night away, this pick me up will make you feel more energetic and cheerful.
Ingredients: 6 egg yolks; 1 litre milk; 800 g sugar; 2 dl Marsala wine; 2 dl alcohol; vanilla.

Preparation: pour the milk in a saucepan, add sugar and vanilla and let it boil for ten minutes.

Meanwhile beat the eggs, add warm milk and then pour it into the boiling saucepan.
Next add Marsala wine and alcohol.
Leave it to cool for a few minutes and then pour the liquid into a bottle and seal tightly.

Let the liquor rest for ten days before use.