Pai Krim Keju

Bahan-bahan (6 porsi)

• 1 ½ cup graham cracker crumbs
• ¼ cup powdered sugar
• ¼ teaspoon salt
• ½ teaspoon ground cinnamon
• 5 tablespoons unsalted butter (melted)
• 12 ounces cream cheese (room temperature)
• 1 (14-ounce) can sweetened condensed milk
• ⅓ cup fresh lemon juice
• 1 teaspoon vanilla extract
• 1 (21-ounce) can pie filling (optional for topping)