I finally baked red bean green tea mooncake with the flaky pastry as the dough. It was not very easy to make the different layers so after making half of it I sort of realise what I needed to do to make it more flaky...I think I have to roll it more.
Anyway here are some pictures of the red bean mooncakes:
Red bean paste: Always handy to have one in the fridge so that you can make red bean stuff...

There are two different dough to make the pastry: The water dough and the oil dough (in green because of the green tea powder):

Roll water dough out and wrap oil dough:

Roll into ball:

Roll out again:

Filling the dough with red bean:

Off to the oven for 15 mins:

Voila out of the oven ready to eat:
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A snippet of red bean inside the mooncake:

Very crispy and nicer to eat when it comes out fresh from the oven with the red bean still warm and the pastry falling apart as you bite into it.