Ingredients:

8 egg yolks
1 tall can evaporated milk
1 can c0ndensed milk
1 teaspoon vanilla or dayap extract

Caramel sauce
1 cup sugar
1 teaspoon calamansi juice
1/2 cup water

Preparation:

Prepare aluminum molds.
in a sauce pan pour sugar, calamansi juice and water until caramelized over medium heat.
Pour on aluminum moulds being sure to cover the bottom of moulds. Set aside and let cool.

Combine all remaining Ingredients in a mixing bowl and stir continuously using a hand mixer or a wire whisk.
Strain and pour into a pitcher.
gently pour mixture into the prepared moulds and individually cover with plastic or aluminum foil.
steam for 45 minutes in a double broiler.
To check doneness of flan, insert a toothpick and if it comes out clean its done.

Let cool and refrigerate.