INGREDIENTS
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2 packages (8 ounces each) cream cheese, softened
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1/3 cup sifted confectioners' sugar
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1 cup sour cream
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2/3 cup heavy cream or 1-1/2 cups frozen whipped topping, thawed
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Vanilla wafers (optional)
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7 cups blueberries (about 3-1/2 pints)
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1 tablespoon orange-flavored liqueur (optional)