Pianono

Ingredients for Pianono

• 7 eggs, separated
• 6 tbsp flour
• 1 tbsp cornstarch
• 7 tbsp white sugar
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1 tbsp vanilla extract
• Extra white sugar, for coating
• Margarine, for filling

How to cook Pianono

1. 1.Heat oven to 180°C. Beat egg whites until fluffy, gradually beat in sugar, and continue until thick and glossy.
2. 2.Sift flour, cornstarch, baking powder, and baking soda. Beat yolks with vanilla, then mix in dry ingredients on low speed.
3. 3.Fold yolk mixture gently into whites. Spread evenly in a wax-paper-lined jelly roll pan.
4. 4.Bake for 15 minutes, until the cake springs back lightly when touched.
5. 5.Scatter sugar over fresh wax paper. Immediately invert hot cake onto it and peel away the baking paper.
6. 6.Spread with margarine, roll from the long side, slice, and cool before serving.