01 - Line a large baking tray or flat surface with parchment paper to prevent sticking during assembly.
02 - Finely crush the Oreos in a food processor. Transfer to a bowl and add powdered sugar, melted butter, and softened cream cheese. Mix thoroughly until a thick, sticky dough forms.
03 - Place the Oreo mixture between two sheets of parchment paper. Roll out to a rectangle approximately 1/2 inch thick, ensuring even thickness throughout.
04 - In a chilled bowl, beat heavy cream with powdered sugar and vanilla extract until stiff peaks form. Gently fold in food coloring until the cream is evenly tinted in your desired Halloween shade.
05 - Spread the colored whipped cream evenly over the rolled-out Oreo base, leaving a 1-inch border on one long edge. Starting from the opposite long edge, carefully roll the mixture into a tight log using the parchment paper for support.
06 - Place the roll seam-side down and refrigerate for at least 1 hour, or until firm enough to hold its shape during slicing.
07 - Drizzle with melted chocolate and sprinkle with Halloween decorations and candy eyes. Slice into 1-inch pieces with a sharp knife and serve cold.