Step 1: Prepare the Oreo Filling In a food processor or by hand, crush the Oreo cookies into fine crumbs (you can place them in a zip-top bag and crush with a rolling pin if you don’t have a food processor).
Transfer the crumbs to a large mixing bowl.
Add the softened cream cheese and vanilla extract (if using), and mix until well combined. You should have a thick, dough-like mixture.

Step 2: Shape the Oreo Balls Using a spoon or small cookie scoop, take a small portion of the Oreo mixture and roll it into a ball (about 1-inch in diameter).
Place the balls on a baking sheet lined with wax paper or parchment paper.
Chill the balls in the refrigerator for at least 30 minutes to firm up.

Step 3: Coat the Balls in Chocolate While the Oreo balls are chilling, melt the white chocolate chips with the vegetable oil in the microwave in 30-second intervals, stirring in between, until fully smooth and melted.
Carefully dip each chilled Oreo ball into the melted white chocolate, using a fork to lift it out and letting any excess chocolate drip off.
Place the dipped balls back on the baking sheet.

Step 4: Make the Bunny Butt Details Once the white chocolate coating has set slightly but isn’t fully hardened, gently press two mini marshmallow halves onto the bottom of each Oreo ball to create the “feet” of the bunny butt.
For the “paws,” melt the pink or red candy melts and use a toothpick or piping bag to place a small dot of pink in the center of each marshmallow half.
Using the dark chocolate or black candy melts, add a small dot to the center of the white chocolate coating above the marshmallow for the bunny’s tail.

Step 5: Final Chill and Serve Allow the Bunny Butt Oreo Balls to fully set by chilling them in the refrigerator for another 30 minutes.
Once the chocolate is set and hardened, your adorable Bunny Butt Oreo Balls are ready to be served!