INGREDIENTS
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1 cup (2 sticks) butter
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1 1/2 cups sugar
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3 eggs
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3 cups all-purpose flour
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2 teaspoons baking powder
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1 teaspoon vanilla extract
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1 (21 ounce) can blueberry pie filling
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1/4 cup all-purpose flour
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1/4 cup sugar
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2 teaspoons butter
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1 teaspoon ground cinnamon