Mini Peanut Butter Chocolate Cheesecakes

INGREDIENTS

For the crust:

1 cup

chocolate cookie crumbs

(I use Oreos)

2 tbsp

unsalted butter, melted

1 tbsp

sugar

For the cheesecake:

12 oz

cream cheese, at room temperature

1/4 cup

sour cream

1/2 cup

peanut butter

2/3 cup

sugar

large egg plus 1 large egg yolk

vanilla extract

coarse salt

For the ganache:

4 oz

bittersweet chocolate, finely chopped

1/2 cup

heavy cream

1 tbsp

unsalted butter, at room temperature