The Starbucks Pumpkin Spice Latte leads the charge into autumn. What’s really in pumpkin spice? Pumpkin isn’t required, but the PSL uses it anyway. The Starbucks Pumpkin Spice Latte leads the charge into autumn. What’s really in pumpkin spice? Pumpkin isn’t required, but the PSL uses it anyway. Science, /science, Innovation, /innovation, Science, /science, standard
