First sift the rice flour, glutinous rice flour, baking powder and salt into a bowl and mix until fully incorporated.
In a separate bowl cream together the coconut oil, butter and sugar. Whip with a whisk until fluffy. Next add in the vanilla extract and egg. Whip again until it’s even more fluffy and has a light yellow color.
Finally add in the flour mixture and mix until the flour has been absorbed by the butter mixture and you get a nice soft dough.
Lay out the banana leaf and transfer the dough on to the leaf.
Fold over and leave the Bibingka Cookie dough overnight in the refrigerator.
The next day take the dough out of the fridge 30 minutes before baking. While you are waiting for time to pass pre-heat the oven to 350F.
Open up the banana leaf. Use a 1 tablespoon ice cream scooper to divide the dough into 18 balls.
In a bowl mix together the parmesan cheese and granulated raw sugar. Roll each of the balls into the cheese / sugar mixture.
These cookies spread, so bake 6 at a time on a parchment lined baking sheet for 7-8 minutes.
Once out of the oven grate the itlog na maalat on top while the cookies are still hot.
Leave the Bibingka Cookies on the baking sheet for 5 minutes and then transfer to a wire rack to fully cool.