Nutella Cheesecake Squares

Crust::

• 20 chocolate wafer cookies

• 2 tablespoons sugar

• 4 tablespoons unsalted butter

Filling::

• 8 ounces cream cheese, softened

• 1/2 cup sour cream

• 1/4 cup brown sugar

• 1/4 cup granulated sugar

• 1 cup nutella

• 1/3 cup unsweetened cocoa powder

• 1/2 teaspoon vanilla

• 1 teaspoon instant espresso powder

• 1 large egg

• 2 tablespoons cornstarch

• 2 teaspoons Frangelico (hazlenut liquor)