INGREDIENTS
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For the crust:
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1 + 1/2 cups all-purpose flour
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1/2 cup sugar
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1/2 cup unsalted butter
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1 + 1/2 teaspoons baking powder
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1/4 teaspoon salt
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1 egg
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1 teaspoon vanilla extract
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For the filling:
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1 quart fresh blueberries
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8 ounces cream cheese, softened
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1 cup sour cream
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1 egg
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1/2 cup granulated sugar
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1 teaspoon lemon zest
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2 teaspoons vanilla extract
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fresh whipped cream, for serving (optional)