"Perfect for the morning after Thanksgiving...."
INGREDIENTS
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2 (10.1-ounce) tubes big crescent rolls
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1 1/2 8-ounce packages cream cheese, room temperature
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1/2 cup (plus more) powdered sugar
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3 1/2 tablespoons cornstarch, divided
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1 large egg, separated
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1/2 cup large-curd cottage cheese
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1 cup drained cranberry sauce