Chop four Oreo Cookies. Set aside.
Take the remaining cookies. Crush them until they turn into fine powder.
Mix the finely crushed Oreo Cookies with the melted butter. Mix until well-combined.
Take a 13x9-inch pan. Transfer the cookie mixture to the pan. Press it onto the bottom of the pan.
Take a medium bowl. Add the softened cream cheese, sugar, lemon juice, and 2tsp lemon zest. Beat it with a mixer until well-combined. Gently stir in the whipped cream.
Spread the cream cheese mixture on the cookie crust.
Refrigerate for three hours or until firm.
Once done, sprinkle on the chopped Oreo Cookies and remaining lime zest.
Cut it up into bars, and your Oreo No-Bake Margarita Bars are ready!