INGREDIENTS
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1 1/4 cup graham cracker crumbs
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1/4 cup sugar
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1/4 cup butter
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1 tablespoon cinnamon
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24 ounces cream cheese
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4 eggs
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1 cup sugar
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1/2 pint sour cream
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3 tablespoons sugar
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1 teaspoon vanilla extract
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1 Jar blackberry jam
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1/2 package blackberries -- thawed