Sponge Fingers

• 3 eggs, separated
• 100 g caster sugar
• 75 g

Grease a baking sheet and line it with baking parchment. Whisk the egg whites until they stand in soft peaks. Gradually whisk in half the caster sugar; and continue whisking until the mixture is stiff and glossy.

In a clean bowl, whisk the egg yolks with the remaining sugar until pale and thick. Using a metal spoon or spatula, fold the egg yolk mixture into the meringue. Sift the flour;