Cups full of Slurpee in cherry and grape flavors - The Image Party/Shutterstock The beauty of Slurpees as mixers lies in the balance of sweetness and ice. Unlike homemade frozen cocktails that can ...

If there's one thing 7-Eleven has absolutely nailed, it's making Slurpees a cornerstone of convenience-store culture. These icy, syrupy, brain-freezing beverages have been delighting kids (and ...