Crush the Oreo cookies into fine pieces.
Mix the melted butter and crushed Oreo cookies, then press into the bottom of a pan.
Soften the cream cheese until smooth.
Add sugar, lemon juice, and lemon zest to the cream cheese and mix well.
Add the heavy cream and mix thoroughly.
Dissolve the gelatin using a double boiler, then add it to the cheesecake batter and mix evenly.
Pour the batter into the pan and smooth the top.
Refrigerate for at least 4 hours until set.