If you have yogurt at home, you will always make this cake Yogurt cake / Figen Ararat

If you have yogurt at home, you will always make this cake Yogurt cake / Figen Ararat
Yogurt cake;
2 egg yolks
1/2 cup sugar
1/2 cup (75 g) melted butter
2 packets of vanilla
1/2 pack of baking powder
2 cups flour
for inside cream
2 egg whites
1/2 cup sugar
2 tablespoons of flour
2 tablespoons of starch
400 g strained yogurt
powdered sugar
22cm square glass container