Grind up Oreo cookies and set aside to dry ... a food processor. Mix butter, cream cheese and powdered sugar together. Set aside. Mix vanilla ... until ready to eat.
Preheat oven to 350 degrees. ... or 9") round cake pans. Combine all ingredients except Oreos; mix at low speed until moistened; ... 1/2 cup powdered sugar and rest of ingredients; blend ... cake. Garnish with Oreos.
Mix together in large bowl. Crush cookies in blender. Using clean flowerpot, ... cheese and powdered sugar and layer over "dirt" (cookies). ... a trowel for serving.