Milk
Make the pudding according to the package. Usually, this will be to combine the pudding mix in a bowl with 2 cups cold milk.
Whisk until blended and no lumps remain.
Meanwhile, crush Oreos in food processor or by placing in a sandwich bag and rolling over it with a glass.
Put 1 tbsp. crushed Oreo cookies into the bottom of each cup.
Next, add approximately 2 tbsp. of pudding to each cup.
Repeat another layer of cookies, then pudding, and more Oreos.
Place Oreo dirt cups into the refrigerator for an hour to chill them.
Add gummy worms before serving.