01 -
Whisk milk and vanilla instant pudding together until thickened. Set aside.
02 -
Crush Oreos in ziplock bag with rolling pin or food processor. Reserve 1/4 for topping.
03 -
Beat softened butter and cream cheese until smooth. Gradually mix in powdered sugar.
04 -
Fold cream cheese mixture into pudding, then gently fold in Cool Whip until uniform.
05 -
Alternate layers of crushed Oreos and pudding mixture in trifle dish. Top with reserved Oreos.
06 -
Decorate with gummy worms, then refrigerate for at least 2 hours before serving.