INGREDIENTS
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12 OREO Cookies, crushed
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1/4 cup (1/2 stick) butter, melted
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2 pkg. (8 oz. each) PHILADELPHIA Cream Cheese, softened
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1 can (6 oz.) frozen limeade concentrate, thawed
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1 tub (8 oz.) COOL WHIP Whipped Topping, thawed, divided
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2 tsp. grated lime zest