No Bake Chocolate Cheesecake

Today is National Cheesecake Day, and here's a fabulous easy recipe from Yvonne Ruperti at  Serious Eats for a No-Bake Chocolate Cheesecake. Perfect, especially when you don't want to turn on the oven!You'll love this cheesecake. As always, use the very best chocolate and other ingredients. Just an FYI, a no-bake cheesecake is slightly denser than a baked one...but oh so great!

NO-BAKE CHOCOLATE CHEESECAKE

Ingredients 
10 ounces chocolate cookie wafers (Nabisco Famous wafers)
2 Tbsp granulated sugar
8 Tbsp sweet butter, melted
3 8-ounce packages cream cheese, softened
1 cup plus 2 Tbsp confectioners' sugar
2 tsp Madagascar vanilla extract
1/4 cup sour cream
7 ounces dark chocolate (65-75%), melted
Cocoa powder for dusting

Directions
Pulse cookie crumbs and granulated sugar in food processor until fine.
Place in large bowl and toss with melted butter until moistened.
Firmly press into bottom and up sides of 8-inch springform pan.

Using mixer fitted with paddle attachment, beat cream cheese and sugar on medium speed until light and creamy, about 1 minute, scraping down sides of bowl as necessary.
Reduce speed to low and mix in vanilla, sour cream, and melted chocolate until smooth.
Spoon chocolate mixture into crust and smooth top.
Chill until set, about 4 hours.
Dust with cocoa powder and let sit for 30 minutes at room temperature before serving.