For the crust; Put biscuits and butter in food processor to combine then add cinnamon powder. Mix until biscuit and butter is well combine.

Then put in 6 inch baking pan with baking paper and bake in 200°C at 10 min.

For the cheesecake: Using the whisk bit the white egg until sticky and set a side.

Using rubber spatula, Combine the milted butter and sugar in a large bowl add the egg yolk and the sour cream after add the flour.

Add the white egg together with the batter and the lemon skin, combine until properly mix.

Put the batter in the pan with the warm crust and bake for 42-45min. In 150 degree c. Now cheesecake finished