Chocolate Bar 88% Cocoa -- Endangered Species Dark Chocolate
The Good: I like this one because it's about the highest content of cocoa that you can find -- 88%, lowest sugar -- 3g per serving, 9g total in the bar, and it's very affordable. It is non-GMO project verified and fairtrade.
The Bad: It's not certified Organic, it does contain Soy Lecithin, and it doesn't specify the kind of sugar -- white, cane, it's certainly not coconut sugar.
The Saving Grace: Given the low sugar content, I don't feel much glycemic impact when I consume it. (Typically I'm very sensitive and feel a blood sugar spike when I have the wrong kinds of sugar, but I don't have an issue with this one.)