Reserve 24 wafers. Crush remaining wafers; mix with butter. Press onto bottom of 13 x 9-inch pan. Refrigerate until ready to use.: The moment you open the package of vanilla wafers , set aside 24 whole wafers for decoration, and crush the remainder for the crust. You will notice the aroma of vanilla and a dry, sandy texture as you crush them. Keeping a few whole wafers gives you a pleasing edge detail. A common mistake is crushing all the wafers and missing that decorative border, which slightly reduces the finished look.
Beat cream cheese and sugar with mixer until blended. Whisk in 1 cup COOL WHIP; spread carefully over crust. Stand reserved wafers around edges.: After reserving those 24, crush the rest into fine crumbs, then combine thoroughly with the melted butter until the mixture resembles wet sand. The butter should evenly coat the crumbs, and you may hear a faint, soft stirring sound as you press the crumbs together. This step matters because the butter solidifies in the fridge and locks the crumb structure. Avoid under mixing, which leads to a crumbly crust that will fall apart when sliced.
Beat pudding mixes and milk in medium bowl with whisk 2 min. Stir in 1 cup of the remaining COOL WHIP and 3/4 cup coconut; spread over cream cheese layer. Top with remaining COOL WHIP and coconut. Refrigerate 5 hours.: Firmly press the crumb mixture into the bottom of a 13 x 9 inch pan, using the base of a measuring cup to compact it. You want a uniformly dense layer that will hold the fillings; press until the surface is level and tightly packed. This compaction prevents the crust from crumbling when you cut the bars. If you press too lightly, slices will be unstable and messy.
Refrigerate until ready to use: Chill the crust in the refrigerator to firm up the butter and set the base. The chilled crust will feel cool and slightly firm to the touch after about 10 to 15 minutes, which makes spreading the next layer much easier. Skipping this chill will make it harder to apply the cream cheese layer without disturbing the crust.
Beat cream cheese and sugar with mixer until blended: In a bowl, beat the softened cream cheese with the sugar using a mixer until smooth and fully blended. You should see a creamy, glossy mixture with no visible lumps, and the sound of the mixer will change as the texture becomes silkier. Properly beating ensures a lump free layer that spreads easily. Under beating leaves tiny clumps and a grainy mouthfeel.
Whisk in 1 cup COOL WHIP spread carefully over crust: Fold or whisk in 1 cup of the thawed COOL WHIP to lighten the cream cheese mixture, then gently spread it over the chilled crust. The surface should look pillowy and smooth, and the spreading should feel effortless if the crust is firm. Careful spreading prevents dragging crumbs into the layer. If you rush and press too hard, the crust can break or the layers can mix.
Stand reserved wafers around edges: Take the 24 reserved whole vanilla wafers and stand them up around the pan edges, pressing them gently into the cream cheese layer so they stay upright. This creates an attractive frame and adds a nostalgic touch. The wafers should be snug and stable; if they wobble, press a little deeper. A common oversight is not placing them quickly enough before the layer chills and firms, making them harder to secure.
Beat pudding mixes and milk in medium bowl with whisk 2 min: In a separate bowl, whisk the two packages of instant pudding with the cold milk for a full two minutes until the mixture thickens and becomes glossy. You will feel the texture transform from liquid to a velvet thickness, and the whisk will make a soft slapping sound as the pudding firms. Thorough whisking activates the thickener for the right set. Under whisking yields a runny filling that will not hold its shape.
Stir in 1 cup of the remaining COOL WHIP and 3 4 cup coconut spread over cream cheese layer: Fold in 1 cup of the remaining COOL WHIP and 3 4 cup of the toasted coconut into the pudding until it is uniform, then spread that mixture over the cream cheese layer. You will notice an enticing sweet dairy aroma and a light, airy texture after incorporating the COOL WHIP . The folded-in COOL WHIP keeps the pudding from becoming too dense and the coconut adds pleasant chew. Avoid over folding, which deflates the mixture and makes it heavy.
Top with remaining COOL WHIP and coconut: Smooth the remaining COOL WHIP over the pudding layer to create a cloud like topping, then sprinkle the remaining toasted coconut evenly across the surface. The contrast between the snowy whipped topping and golden toasted coconut is both visual and textural. Even, light sprinkling ensures every bite has coconut. A mistake to watch for is piling too much coconut, which can overwhelm the delicate topping.
Refrigerate 5 hours: Chill the assembled bars for about five hours or until fully set, so layers firm and flavors meld. As it chills, the pudding will stabilize and the edges of the bars will cleanly hold their shape when sliced. This resting time is crucial for clean cuts and ideal texture. Cutting too soon results in sloppy slices and a filling that creaks out of the pan.