Once again I am reminded that it's never a bad idea to set a timer and "they-just-need-a-little-longer-so-I'll-leave-them-while-I-clean-up-my-mess" is not the same thing and often results in a lost batch.
These were not chocolate, or molasses, or anything that can justifiably be that deep, dark color. JG tried one. He said they weren't bad until the acrid aftertaste.
Oh, and did you see this in the New York Times a little while back? I'm not the only one who thinks oranges and olives make a great combination.