INGREDIENTS
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2 cups all-purpose flour
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1/2 cup granulated sugar
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1 TBSP baking powder
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1/2 tsp kosher salt
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1 TBSP lemon zest
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1/2 cup unsalted butter, cubed, COLD
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1 large egg
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3/4 cup heavy whipping cream
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1 cup fresh blueberries
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1 1/2 cups powdered sugar
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1 TBSP heavy whipping cream
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1 TBSP lemon juice