"Get this all-star, easy-to-follow Blueberry Pie Bars recipe from Trisha Yearwood..."
INGREDIENTS
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Nonstick cooking spray, for pan
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1/2 cup unsalted butter, chilled
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3/4 cup sugar
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1 1/2 cups all-purpose flour
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1/2 teaspoon ground cinnamon
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Pinch kosher salt
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1 egg
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1/2 heaping cup sour cream
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1/3 cup sugar
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2 tablespoons lemon juice
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1 tablespoon all-purpose flour
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4 teaspoons cornstarch
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2 teaspoons vanilla extract
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1/2 teaspoon ground cinnamon
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2 cups blueberries