"This sponge is so easy to make and has a subtle flavour of custard! I usually cut the cakes in half and join with lots of whipped cream, strawberries and grated flake. This recipe makes 2 cakes, so you can freeze one for later use...."
INGREDIENTS
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4 eggs, separated
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1 teaspoon vanilla essence
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¾ cup caster sugar
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½ teaspoon bicarbonate of soda
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1 teaspoon cream of tartar
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¾ cup cornflour
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1 tablespoon custard powder
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2 tablespoons hot water
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Pinch salt
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1 teaspoon each icing sugar and cornflour, for dusting pans