Chocolate Peanut Butter Cheesecake

Recipe courtesy Nigella Kitchen, Food Network

Prep: 30 min
Cook: 1 hr 15 min

Ingredients

Base:

• 1/2 (14-ounce) box graham crackers (2 cups crumbs) 
• 1/2 cup salted peanuts 
• 1/2 cup bittersweet chocolate chips 
• 4 tablespoons soft unsalted butter

Filling:

• 2 (8-ounce) bars cream cheese 
• 3 eggs 
• 3 egg yolks 
• 1 cup superfine sugar 
• 1/2 cup sour cream 
• 1 cup creamy peanut butter

Topping:

• 1 cup sour cream 
• 1 cup milk chocolate chips 
• 2 tablespoons light brown sugar 
• 9-inch springform pan