Preheat the oven to 350°F and spray a 9x13-inch baking dish with nonstick spray.
In a large bowl, add the butter. Soften it in the microwave for 30 seconds.
Mix in the granulated sugar and brown sugar with a hand mixer.
Add in the eggs and vanilla, mixing until incorporated.
Add in the flour, baking soda, pumpkin pie spice, and salt. Mix on low until combined.
Fold in the white chocolate chips.
In the prepared baking dish, press half the cookie dough down. Try to get an even layer. Set the remaining cookie dough aside.
Bake for 10 minutes. While the cookie bars are baking, prepare the caramel.