First Step: Prepare the Pan and Preheat the Oven Begin by preheating your oven to 350°F, which sets the stage for even baking. Line a 9×13 baking pan with foil and lightly grease it to prevent sticking, making cleanup easier. This step takes about 5 minutes and is crucial for pumpkin pie cheesecake bars to release perfectly after cooling.

Second Step: Make the Crust Process 15 whole rectangular graham crackers into fine crumbs using a food processor or by crushing them in a bag. Mix the crumbs with ¼ cup granulated sugar and 8 tablespoons melted unsalted butter until well combined. Press this mixture firmly into the prepared pan to form an even layer, then bake it for 10-15 minutes until it’s golden and fragrant. Let it cool slightly, about 10 minutes, as this creates a solid base for your pumpkin cheesecake bars.

Third Step: Prepare the Pumpkin Filling In a bowl, whisk together 1 and ¼ cups pumpkin puree, 1 and ½ teaspoons pumpkin pie spice, 1 and ½ teaspoons ground cinnamon, and 1 tablespoon all-purpose flour until smooth. This mixture adds the signature flavor to your bars, and for dietary tweaks, you could use gluten-free flour here if needed. Set it aside while you work on the cream cheese part, taking about 5 minutes to mix.

Fourth Step: Beat the Cream Cheese Mixture In a large bowl, beat three 8-ounce packages of full-fat cream cheese with 1 and ⅔ cups granulated sugar until it’s completely smooth, which should take 2-3 minutes with an electric mixer. Add 1 and ½ teaspoons pure vanilla extract, ½ cup full-fat sour cream, and ⅛ teaspoon salt, mixing until incorporated. For low-calorie options, swap the sugar with a substitute at this stage to keep things adaptable.

Fifth Step: Add Eggs and Combine Fillings Incorporate 3 large eggs one at a time, beating well after each addition to avoid overmixing, which helps prevent cracks. Take 1 and ½ cups of this cream cheese mixture and combine it with the pumpkin mixture you prepared earlier. This step, lasting about 5 minutes, creates the layered effect that’s key to pumpkin pie bars.

Sixth Step: Assemble and Bake Alternate spoonfuls of the pumpkin filling and the remaining cream cheese filling over the cooled crust, then use a knife to lightly swirl them for a marbled look. Bake for 35-45 minutes until the center slightly jiggles, checking at the 35-minute mark to avoid overbaking. For vegan adaptations, remember to use your substitutes from earlier to maintain the creamy texture.

Final Step: Cool and Chill Remove the pan from the oven and let it cool to room temperature for about 1-2 hours, then refrigerate for at least 8 hours to set fully. Once chilled, cut into bars and serve, perhaps with a dollop of whipped cream for extra flair. This final chilling step ensures your pumpkin cheesecake bars have the best texture and flavor, making them perfect for sharing.