(My apple also has small patches of tiny black stipples. At some point I will find out what that is. In any case it does not put me off in the least when I see it, which is often.)
The flesh is very juicy, also crisp, firm, yellow, and coarse-grained. The apple is evenly sweet and mellow with some acidity but only a little balancing tartness. The flavor, like the smell, reminds me of Golden Delicious (but more lively, and the texture is better), though it has been years since I sampled one. A little pear, perhaps, and honey.
Jonagold is one of several Jonathan - Golden Delicious crosses. It has a reputation for being good for cooking, especially sauteeing, and also as a poor keeper. It will be interesting to compare this apple with the Blushing Golden, a different child of the same parents that is said to improve with age. (Update: You can finally do that if you like.)
If you've read my other reviews you might you might guess that this sort of apple--sweet and simple--is not really to my taste. Indeed with so many more-interesting apples from which to choose, I don't suppose I'll eat many of these or regret not doing so. But it's a refreshing apple in season that should please many. I enjoyed mine.