Ingredients
1 ½ cups self-raising flour
½ cup desiccated coconut
½ cup caster sugar
150g unsalted butter, melted
FILLING
¾ cup caster sugar
2 tablespoons cornflour
½ cup fresh-squeezed lemon juice
3 eggs, lightly beaten
100g unsalted butter, chopped
TOPPING
3 teaspoons gelatine
1 cup caster sugar
1 teaspoon vanilla extract
Method
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Grease an 18cm x 28cm rectangular slice pan. Line base and sides with baking paper, extending paper 3cm above pan edges.
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Combine flour, coconut and sugar in a large bowl. Stir in butter until well combined. Press mixture evenly over base of prepared pan.
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Cook in a moderate oven (180C) for about 10 to 12 minutes, or until light golden. Remove from oven. Cool.
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To make filling, place sugar and cornflour in a medium saucepan. Gradually stir in lemon juice until smooth. Add eggs and butter. Whisk over a medium to low heat until butter is melted and mixture is thick. Bring to boil. Remove. Pour over base.
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Cook in a moderate oven (180C) for about 8 minutes, or until filling is set. Remove. Cool for 15 minutes.
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Meanwhile, to make topping, sprinkle gelatine over 1/3 cup water in a small heatproof jug. Sit jug in a saucepan of simmering water. Stir until gelatine is dissolved. Remove jug from pan.
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Place sugar in a large bowl of an electric mixer. Add 1/3 cup water. Beat on high speed for 4 minutes (with whisk attachment). With motor operating on a medium speed, gradually add gelatine mixture in a thin, steady stream. Beat on high speed for a further 8 to 10 minutes, or until thick and fluffy. Beat in vanilla. Spread over filling. Refrigerate until set.
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To serve, lift slice from pan. Cut into squares.