1 pkg. (11 oz.) vanilla wafers (about 88), divided
5 tsp. MAXWELL HOUSE Instant Coffee, divided
3 Tbsp. hot water, divided
4 pkg. (8 oz. each) PHILADELPHIA Cream Cheese, softened
1 cup BREAKSTONE'S or KNUDSEN Sour Cream
1 cup thawed COOL WHIP Whipped Topping
2 Tbsp. unsweetened cocoa powder
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