In an effort to uncover what the Grimace milkshake actually tastes like — and determine whether it deserves the hype — we had to try it for ourselves The medium-size Grimace milkshake cost $4. ...

The cup of vanilla ice cream was $3.59 ... Baskin-Robbins lets you turn any of the store's flavors into a milkshake. There are three size options, and you can get your milkshake with or without ...