Brush puto mold with oil. Set aside.
In a steamer, boil ten cups of water.
In a small bowl, mix all of the flan ingredients and pour 1/8 cup flan mixture in the puto mold. Steam f on high heat or 10- 12 minutes. Remove from the steamer.
in another bowl Mix all of the Puto ingredients. Set aside.
Pour 1/8 cup of the puto mixture on top of the steamed flan mixture and steam again on high heat for 15-19 minutes. Do the same to rest of the flan mixture.
Remove Puto Flan from the mold using by using a sharp knife and serve hot.