Give your iced coffee a bubbly twist using this one simple liquid. Take it one step further by customizing and experimenting with the flavors of your brew.

Simply pouring in a splash of coconut water can give your iced coffees a sweet, tropical spin. Here's how to make the most of this drink in your icy brews.

and Irish-cream syrup. It's definitely sweet and creamy. But it tasted a little like I oversweetened a regular iced coffee at home. I wasn't getting a ton of depth of flavor from the Irish cream.