Ingredients for the caramel:
1 cup of sugar
1/2 cup of water
Ingredients for the cheese:
5 eggs
1 can condensed milk (14 oz/397 grams)
1 1/2 cups of milk
1 teaspoon vanilla
1 teaspoon rum or brandy (optional)

Preparation:

Make the caramel by dissolving the sugar in water and cook until golden. Pour into the mold.
Beat the cheese ingredients and pour over the caramel. Cover with aluminum foil if not using a quesillera.
Bake in a bain-marie in a preheated oven at 180°C for 1 hour. Let cool before unmolding.