This review is for the CARAMEL flavor, I have not tried the others, yet. …
This is a very light viscous syrup, about the viscosity of real maple syrup, or slightly lighter. Not heavy or thick like imitation pancake syrup, thin. It's got a quite pleasantly flavorful taste of caramel. For coffee, I'm a sipper, not a drinker, my coffee lasts several hours. I take my coffee stronger, from many years of having Latté double shots, this means that I use more of a flavored ingredient to match my stronger coffee. In a 10-12 ounce strong coffee I use one even (1) tablespoon of this product for the flavor of my preference. As a 12 ounce bottled product, I will get approximately 24 coffees for the 12 ounces of this product. If you mix with a lesser, lighter, more Americana style of coffee of 6-8 oz cup size, I suggest that you begin with a teaspoons and adjust from there for your liking.
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I like the pop-up style cap making measurements a breeze. Remember: the flavor is not weak but strong enough that you don't require a lot for coffee, unless you're more like I am, and sometimes enjoy robust, Egyptian or Armenian style coffee.
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Nuff Sayd