Nutella Swirl Cheesecake Bars

Bahan-bahan (16 porsi)

• 1 and 1/2 cups (180g) graham cracker crumbs (12 full-sheet graham crackers)
• 6 Tablespoons (85g) unsalted butter, melted
• 1/4 cup (50g) granulated sugar
• 16 ounces (452g) full-fat brick cream cheese, softened to room temperature
• 1 large egg, at room temperature
• 1/4 cup (50g) granulated sugar
• 2 teaspoons pure vanilla extract
• 1/3 cup (100g) Nutella, slightly warmed*