Tiramisu cake with ladyfingers

Instructions

1. Add sugar and vanilla extract to egg yolk and mix until slightly white.
2. While whipping the egg white, divide the sugar into 3 portions and whip it to make a meringue with soft horns.
3. Add a small amount of meringue to the egg yolk mixture and mix, then put it in the bowl containing the meringue and mix.
4. After mixing soft flour, corn starch, and baking powder, sieve in (3) and mix lightly.
5. Squeeze in an oven pan, mix sugar powder and sugar, sprinkle twice on the dough, and bake in an oven preheated to 180 degrees for 13 minutes.
6. Mix sugar and instant coffee powder in warm water and transfer to a large bowl to cool.
7. Place the bowl of egg yolk, sugar, and vanilla extract on the pot of boiling water and raise the temperature to about 65 degrees while stirring.
8. Remove the bowl from the pot and whip until the yolk turns white, add the mascarpone cheese, and mix.
9. Add 50% whipped cream and mix.
10. Lay the coffee-soaked lady's finger in the container and level it with the cream. Repeat 2 more times.
11. Cover with cling film and harden in the refrigerator for 3 hours or more or overnight.