You denied yourself ice cream all summer long. There were burgers, sure, and certainly booze, but you staved off the milkshake craving all the way to August, and now it's time to give in. The good news is that you can make up for your missed opportunities by taking your indulgence to the next level -- all it takes is a quick infusion of vodka. Or Bailey's. Or creme de menthe.
 
Turning a milkshake into a cocktail doesn't take much; classic recipes ranging from the Grasshopper (which was reminiscent of mint chocolate chip ice cream, anyway) to the White Russian are perfect ways to age up a gallon of creamy vanilla. Want someone else to work the blender? Check out our list of the best spots in the nation to get a spiked shake.