Milkshakes are synonymous with fast food. They're just one of many ideas that chains gladly borrowed from the soda fountains of the '40s and '50s. Restaurants realized that nothing goes with a quick ...

Milkshakes can be both the highlight of a fast food stop or a sugary regret. And considering how many chains are in the game, the range goes from cloying and bland to rich and memorable. Let’s compare ...