Fall might officially start on September 22, but fast-food brands are already gearing up for autumn with an array of pumpkin-spiced treats. No matter your favorite season, there is no denying the cozy embrace of fall and all the magical flavors that come with it. Starbucks has dominated the fall scene for years, largely because of its Pumpkin Spiced latte, which came back this week. But the world is bigger than the Siren coffee shop, so let’s take a look. New pumpkin treats from Häagen-DazsOn Monday, Häagen-Dazs Shops hailed the return of their fan-favorite Pumpkin Spice Shake alongside the br…