INGREDIENTS
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1 cup graham cracker crumbs
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3 tablespoons butter, melted
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3 tablespoons sugar
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4 (8-ounce) packages cream cheese, softened
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1 cup sugar
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3 tablespoons all-purpose flour
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2 teaspoons vanilla extract
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1/4 cup Irish cream liqueur
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4 large eggs
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1 1/4 cups sour cream, divided
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3 tablespoons strawberry preserves
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Garnish: whole strawberries