1Heat oven to 350°F. Line 9-inch square baking pan with foil. Spray bottom and sides of foil-lined pan with cooking spray.
2In large bowl, stir cookie mix, oil, 2 tablespoons of the coffee, egg, 1/2 cup of the macadamia nuts and coconut until soft dough forms. Spread dough in bottom of pan. Bake 20 to 25 minutes or just until set. Cool completely, about 1 hour.
3In small microwavable bowl, microwave whipping cream, white chocolate and remaining 1 tablespoon coffee uncovered on High about 1 1/2 minutes, stirring every 30 seconds until chocolate is melted and mixture is smooth.
4To serve, remove bars from pan by lifting foil; cut into 5 rows by 4 rows. Place each bar on an individual dessert plate. Spoon warm drizzle over the top of each bar. Sprinkle with remaining macadamia nuts. Serve immediately. Store bars tightly covered at room temperature. Store drizzle covered in refrigerator.