The most amazing cake delicious recipe

Ingredients
For dough:
4 eggs
150g (3/4 cup) sugar
A pinch of salt
120g (3/4 cup) flour
30g (3 tbsp) cocoa powder
30g (3 tbsp) cornstarch
1 teaspoon Baking powder
Baking tin 28x18cm
Bake in a preheated oven at 180℃ (356℉) for 30 minutes
Instructions:
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