Mix crushed Oreo cookies and melted butter until well combined. Press mixture into bottom of a 9-inch springform pan. Place in freezer while making filling.
In a large bowl, mix cream cheese and granulated sugar until well combined. Add sour cream and vanilla extract and mix until smooth. Fold in mini marshmallows, semisweet chocolate chips, and chopped pecans. Pour mixture over crust. Refrigerate for at least 2 hours, or until set.
To make the rose topping, mix heavy cream and confectioner's sugar until soft peaks form. Add rose water and pink food coloring, to desired shade. Spread topping evenly over cheesecake. Refrigerate for at least 45 minutes, or until topping is set. Serve chilled. Enjoy!