Make the Oreo crust

• Crush the Oreo cookies into fine crumbs.
• Mix the crumbs with the melted butter until evenly coated.
• Press the mixture firmly into the bottom of a lined baking dish to form an even crust.

Whip the cream

• Pour the cold heavy cream into a bowl.
• Whip until stiff peaks form.

Fold the no-churn ice cream

• Gently fold the condensed milk and vanilla extract into the whipped cream.
• Fold in the remaining crushed Oreo cookies.

Assemble the sandwiches

• Spread the ice cream mixture in a thick even layer over the crust.
• Top with the remaining crushed Oreo cookies and press down lightly.

Freeze

• Cover and freeze until completely firm.
• Slice into squares or bars to serve.