Step 1

In a food processor or blender, pulverize Oreo's into a powder. Set aside.

Step 2

Mix butter together with powdered sugar 1/2 cup at a time, until all blended.

Step 3

Add vanilla and heavy cream and mix well.

Step 4

Add crushed Oreo's and blend well.

Step 5

If mixture is too thick, add additional teaspoon of heavy cream one at a time until desired thickness is achieved.

Step 6

Spread onto cake or pipe onto cupcakes.