Creating these bars is like conducting a symphony, where each step builds harmony until the final piece is revealed. Here’s how you can bring this masterpiece to life in your kitchen.

1. Preheat your oven to 350°F (175°C) and grease a 9×9 inch baking pan.
2. In a mixing bowl, beat together the butter, granulated sugar, and brown sugar until creamy, about 3 minutes.
3. Add in the egg and vanilla extract, mixing until well combined.
4. In a separate bowl, whisk together the flour, cinnamon, nutmeg, cloves, salt, and baking soda.
5. Slowly incorporate the dry ingredients into the wet mixture, alternating with the pumpkin puree, until the batter is smooth.
6. In another bowl, mix the softened cream cheese and powdered sugar until smooth and creamy.
7. Pour half of the pumpkin batter into the prepared baking pan, spreading it evenly.
8. Layer the cream cheese mixture over the pumpkin layer, gently spreading it with a spatula.
9. Top with the remaining pumpkin batter, spreading it to cover the cream cheese layer completely.
10. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
11. Allow the bars to cool completely in the pan before slicing into squares.

Patience is key here; letting them cool ensures they set properly, allowing you to cut clean, perfect squares every time.