Three words: cake batter milkshake. The key ingredient to boost your next shake with a creamy, rich twist? Boxed cake mix.

I bought premade vanilla-flavored iced coffees from Coffee Mate, Dunkin', International Delight, Starbucks, and Cafe Bustelo ...

You might want to think twice before pouring just any milk into a shake. According to an expert, only one variety will yield ...