Preheat oven to 325 degrees F (165 degrees C).
In a medium bowl, crush the chocolate/Oreo cookies and mix in the 2 tbsp of sugar and 70 g of melted butter. '
Press mixture into the bottom of a 8 inch spring-form pan and bake for 10 minutes.
In a saucepan, combine raspberries, sugar, cornstarch, and water.
Bring to boil, and continue cooking until sauce is thick, for about 5 minutes.
Melt the white chocolate in a bowl over some gently simmering water till the chocolate is smooth. Be careful not to overheat it.
In a large bowl, cream sugar and cream cheese until smooth.
Add in cream and mix well for another minute.
Slowly beat in eggs, one at a time.
Mix in vanilla and melted white chocolate.
Pour 3/4 of the cheese batter over crust. Spoon 3 tablespoons raspberry sauce over batter and pour remaining cheesecake batter into pan.
Top with more raspberry and swirl batter with the tip of a knife to create a marbled effect.
Bake for 50 to 60 minutes, or until filling is set.
Cool, cover with plastic wrap and refrigerate for 8 hours before removing from pan.