INGREDIENTS
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Crust
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1 1/2 cups all-purpose flour
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1/2 cup crushed vanilla wafers
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1 cup confectioners' sugar
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Pinch salt
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2 sticks butter, at room temperature, plus more for greasing
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Filling
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4 eggs
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2 cups granulated sugar
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6 tablespoons all-purpose flour
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20 packets True Lemon
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6 tablespoons water
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Topping
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1/2 cup confectioners’ sugar