Using a food processor, pulse Oreos until finely crushed. Melt butter and pulse again until combine.
Grease spring form pan and place cookie crumbs into the pan. Press to the sides and bottom.
Bake for 10 minutes. Then remove and allow to cool.
Preheat the oven to 300°F
Whisk cream cheese until it begins to get fluffy. Add in sugar, sour cream, cocoa powder and vanilla. Whisk until combine. Add in eggs one at a time, allowing each one to be mixed in as you go. Add melted chocolate and whisk until everything is mixed together.
Pour filling into the crust. Wrap the bottom of your pan in foil, but allow the top to be uncovered. Place in a larger pan and add water so that one half of your spring form pan is covered in water. Place cheesecake in the water bath into the oven. Bake for 1 hour 10 minutes.
After time has passed. Turn the oven off and leave cheesecake in the oven with the door closed for 30 minutes.
After 30 minutes has passed, remove from the oven and allow to sit at room temperature for 30 minutes more. Place in fridge for at least 5 hours to set, or overnight. Leave in the fridge until you are ready to serve.
While cheesecake is cooling in the fridge, prepare your ganache glaze. Place whipping cream into a microwave safe bowl. Microwave until it just begins to boil. Add in chocolate chips and allow to sit for 3 minutes.
After 3 minutes have passed, stir to combine melted chocolate chips and whipping cream. Once they are entirely mixed, pour mixture over the top of the cheesecake. Place cheesecake back into the fridge.
This process is the same as the glaze. Heat whipping cream in a microwave safe bowl until cream just begins to boil. Combine with chocolate chips and allow to rest for 3 minutes.
After time has passed, stir to combine. Once completely combined, allow to sit at room temperature until ganache is cool. Once cool, it should be thick and a bit stiff, but still pliable. Place into a piping bag. Pipe swirls on top of cheesecake and then place back in the refrigerator.
Keep cheesecake in the fridge until you are ready to serve. Serve and enjoy!
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