Sprinkle graham cracker crumbs evenly over the bottom of pan. Set aside. Process the cream cheese, sour cream and cream cheese in a food processor until smooth.
Add the peanut butter and mix.
Slowly add the sugar and vanilla extract.
Slowly pour the eggs through the food chute with the processor running.
Blend until combined.
Spoon the mixture over the graham cracker crumbs.
Bake in a 300F oven for 50 minutes. Center will be soft, but will firm when chilled.
Turn the oven off and leave the cheesecake in the oven for 30 more minutes.
Remove from oven; let cool to room temperature on a wire rack.