After many years of trial and error, I finally succeeded to make this okonomiyaki crispy on the outside and chewy on the inside. It's just like the ones you really enjoy in a restaurant!
You often have filo pastry left in your freezer, so you can use it all up in this recipe.
Granny Smith apples, Royal Gala apples, Granulated sugar, Cinammon powder, Butter, Custard:, Plain flour, Egg, Milk, Soaking liquid for the filo:, Butter (for baking)