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The caramel flavor swirl is by far the most obscenely sweet flavor swirl/shot in Dunkin’… and yet it’s the one I prefer. I just like sweet stuff. Also, the other flavors simply don’t taste good or aren’t sweet enough. Coconut doesn’t taste great and I’m not always in the mood for chocolate mocha. The caramel flavor swirl tastes decent enough and is very sweet. You can request how many flavor swirls you want to control the level of sweetness you want. I usually get around three or four. Dunkin’s default amount is four I think.