Как приготовить картофельный пирог «Монблан»

【Sweet Potato Mont Blanc Tart】
〈Sweet Potatoes〉
2 sweet potatoes
Salad oil to taste
2 tablespoons mirin (sweet cooking rice wine)
80g granulated sugar
A pinch of black sesame seeds

〈For the tart dough〉
60 g unsalted butter
50 g powdered sugar
1 egg yolk
110g flour
30g almond powder

〈Purple sweet potato creme d'amande〉
30 g unsalted butter
30 g powdered sugar
30g whole egg
30g almond powder
30g purple sweet potato powder
Bake at 180℃ for 30 minutes.

〈Vanilla mousse〉
1 egg yolk
20g granulated sugar
3 g gelatin
2 g vanilla bean
75g milk
75g fresh cream

〈Sweet Potato Cream〉
250g sweet potato paste
35g granulated sugar
50g fresh cream
15g melted butter

〈Decoration〉
Fresh cream
fresh thyme