Neapolitan Whoopie Pies

1 . Stage

Preheat the oven to 275 degrees F (135 degrees C).

2 . Stage

Combine cake mix, vegetable oil, and eggs in a large bowl.

3 . Stage

Form dough into eighteen 1-inch balls and place on a cookie sheet. Flatten each ball with the palm of your hand.

4 . Stage

Bake in the preheated oven until edges are golden, about 6 to 8 minutes. Cool on the baking sheet briefly before removing to a wire rack to cool completely, about 15 minutes.

5 . Stage

Add whipped topping to one side of each cookie, working in pairs. Sprinkle 1/2 of the cookies with crushed Oreos®, then sandwich with remaining cookies. Wrap each whoopie pie with plastic wrap and place in a 1-gallon freezer bag.

6 . Stage

Freeze for at least 1 hour before serving.