Step 1

First prepare your egg custard .

Step 2

Add the yolk, starch and sugar to the milk. Put the pot on the stove and stir until the custard thickens.

Step 3

Remove it from the heat and flavor the custard with a vanilla .

Step 4

Crack the eggs into a bowl, add the sugar and beat them with a mixer until a thick custard is obtained.

Step 5

Sift the flour with a teaspoon of baking powder, a vanilla and a pinch of salt.

Step 6

Add them in portions to the egg mixture, while stirring with a spoon.

Step 7

Line a small oblong baking tray with parchment paper. Pour the sponge cake mixture into it.

Step 8

Even out and spread the cream on top in 6 piles.

Step 9

Bake the sponge cake at 360°F (180°C) for 10-12 minutes in a preheated oven.

Step 10

Let the baked sponge cake with egg custard cool down and sprinkle it with powdered sugar. Cut it into squares.

Step 11

Enjoy