Which Coffee Chain Has the Best Iced Black Coffee

The iced coffee from Dunkin' was heavy on the ice, but it had a great flavor.

The iced coffee from Dunkin' was nice and refreshing. Erin Ajello for Insider

Although I did not find the drink to be as "full of flavor" as the chain's website mentions, this coffee had a crisp, light flavor that was enjoyable without being overwhelming.

This was definitely the most refreshing iced coffee I tried, and I would absolutely order this again.

Interestingly, this was also the cup of coffee that had the largest amount of ice in it. Usually, a lot of ice can lead to a super watery, overly diluted drink, but I was pleasantly surprised that wasn't the case here. 

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