"Simon Rimmer scores a lemony hat-trick with this delectable lemon sponge soaked in lemon icing and filled with lemon curd mascarpone...."
INGREDIENTS
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4 lemons, juice only
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75g/2¾oz caster sugar
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200g/7oz caster sugar
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200g/7oz unsalted butter, plus extra for greasing
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2 lemons, zest only
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3 free-range eggs, beaten
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200g/7oz self-raising flour, plus extra for dusting
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2 free-range egg yolks
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75g/2¾oz caster sugar
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50g/1¾oz unsalted butter
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2 lemons, juice and zest
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100g/3½oz mascarpone