Ingredients:

2/3 cup sugar
4 cups milk
1 can sweetened condensed milk
1 stick cinnamon
2 star anis
zest of one lime
1 teaspoon nutmeg
1 tablespoon vanilla extract
1 tablespoon butter

Instructions:

Put all the ingredients except for the lime zest, butter and vanilla extract. Bring to a boil, then reduce heat and, cook while stirring constantly, until the
consistency of caramel, without burning. Add lime zest, butter, vanilla extract and stir. Spread the mixture into a buttered pan.

Let cool to room temperature and cut into pieces.