INGREDIENTS
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200g [7/8 cup, or approx 14 tablespoons] unsalted butter, room temperature
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1/4 teaspoon salt
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1/2 cup confectioners sugar
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1 1/2 cups all-purpose flour
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1/2 cup cornstarch
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1 teaspoon vanilla extract
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zest of one lemon
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Filling:
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1 cup confectioners sugar
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50 [ 1/4 cup, or approx 3.6 tablespoons] grams unsalted butter, room temperature
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juice of one lemon