Step 1: Preheat the Oven - Begin by preheating your oven to 350°F (175°C). This ensures your bars will bake evenly.
Step 2: Prepare the Crust - In a large mixing bowl, combine the brown sugar, white whole-wheat flour, rolled oats, baking soda, and salt. Stir until well mixed. Add the melted coconut oil, mixing until the mixture resembles wet sand. Press this mixture firmly into the bottom of your greased 9x9-inch baking pan to form the crust.
Step 3: Bake the Crust - Place the crust in the preheated oven and bake for 10-12 minutes, or until it is lightly golden. Remove from the oven and allow it to cool slightly.
Step 4: Make the Cheesecake Filling - In another mixing bowl, beat the softened cream cheese with granulated sugar using a hand mixer until smooth. Add the vanilla extract, Greek yogurt, and egg white, mixing until fully incorporated and creamy.
Step 5: Add Peanut Butter Chips - Fold in the peanut butter chips gently into the cheesecake mixture, ensuring they are evenly distributed.
Step 6: Assemble the Bars - Pour the cheesecake filling over the cooled crust, spreading it evenly with a spatula. If desired, sprinkle additional peanut butter chips on top for extra flavor and texture.
Step 7: Bake the Cheesecake Bars - Return the baking pan to the oven and bake for another 20-25 minutes, or until the center is set but still slightly jiggly. Remove from the oven and let it cool at room temperature.
Step 8: Chill the Bars - Once cooled, transfer the pan to the refrigerator and chill for at least 2 hours. This step is crucial for achieving the perfect cheesecake texture.
Step 9: Drizzle and Serve - Before serving, drizzle melted peanut butter over the chilled bars for a decadent touch. Cut into squares and enjoy your Healthier Peanut Butter Cheesecake Bars!