Preheat oven to 325°F (162°C) and prepare a 9-inch springform pan.
Crush Oreos, mix with melted butter, and press into the pan. Bake for 8 minutes and cool.
Mix chopped Oreos with warm fudge and peppermint extract. Set aside.
Beat cream cheese until smooth. Add sugar and mix well.
Add sour cream, vanilla, peppermint extract, and food coloring.
Add eggs one at a time, mixing gently.
Pour ⅓ of batter into crust, add Oreo layer, then top with remaining batter.
Bake in a water bath for 80–105 minutes until slightly jiggly in center.
Cool gradually, then refrigerate at least 6 hours or overnight.
Top with warm fudge before serving.
This mint chocolate cheesecake achieves the perfect creamy consistency with a refreshing finish.