The other day I spotted on Instagram a really nice idea: instead of making the dough of the tart with flour, @acvb3 used thin slices of sweet potato.

I wanted to try badly but needed my mandolin that is in the country house. So finally, yesterday I could try.

I sliced finely one large purple sweet potato, olive-oiled them and lined them in a pie dish. I pre-baked them a little and then added a mixture of egg, silky tofu, sliced shiitake, na-no-hana. It’s better for the mixture not to be too liquid because the potato crust might leak here and there so the tofu is really helping a lot here. Then I just baked it normally. It was really delicious!