01 - Pulse chocolate sandwich cookies in a food processor until finely ground. Reserve crumbs for layering.
02 - Beat softened cream cheese and butter in a large mixing bowl until smooth and fluffy, approximately 2-3 minutes.
03 - Incorporate powdered sugar into the cream cheese mixture, beating until fully combined and no lumps remain.
04 - Whisk instant vanilla pudding mix with cold whole milk in a separate bowl for 2 minutes. Allow to stand until thickened, about 2 minutes.
05 - Fold thickened pudding into the cream cheese mixture until thoroughly incorporated and smooth.
06 - Gently fold whipped topping into the cream mixture until uniformly combined, taking care not to deflate the mixture.
07 - Press half of the cookie crumbs evenly into the bottom of a 9x13-inch casserole dish.
08 - Spread the cream mixture over the cookie base layer, smoothing the surface with a spatula.
09 - Sprinkle remaining cookie crumbs over the cream filling to create a uniform dirt-like surface.
10 - Arrange gummy worms partially buried in the crumbs, scatter candy eggs, and distribute green coconut for grass effect.
11 - Cover the dish with plastic wrap or foil and refrigerate for a minimum of 2 hours to set before serving.