"What's the secret to bars with bold, multifaceted citrus flavor? Cut back on the lemon juice...."
INGREDIENTS
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1 cup (5 ounces) all-purpose flour
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1/4 cup (1 3/4 ounces) granulated sugar
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1/2 teaspoon salt
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8 tablespoons unsalted butter, melted
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Filling
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1 cup (7 ounces) granulated sugar
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2 tablespoons all-purpose flour
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2 teaspoons cream of tartar
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1/4 teaspoon salt
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3 large eggs plus 3 large yolks
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2 teaspoons grated lemon zest plus 2/3 cup juice (4 lemons)
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4 tablespoons unsalted butter, cut into 8 pieces
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Confectioners' sugar (optional)