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.
in another bowl Mix all of the Puto ingredients. Set aside.
Pour 1/8 cup of the Flan mixture to the puto mold and steam flan mixture for 15 minutes. Do the same to rest of the flan mixture.
When ready, remove the set flan mixture and pour 1/8 cup puto mixture on top and steam for another 15-18 minutes.