Very simple recipe that has rather a plain taste. We also added salt and pepper with our choice of herb, basil. I can also see a sauce with this using butter, basil, lemon juice, salt and chicken broth might have made it better. We will make this again since it was easy to make and fast to the table.
I followed the recipe exactly, aside from removing the chicken from the pan to make the sauce, then adding it back in at the end. I think it had good flavor (I used fresh basil and white onion), but I'm sorry I can't say it was outstanding. I was hoping for a bit more liquid, which I didn't get, and it definitely needed a little more salt and pepper at the end. I did add the butter, but it would have been better with more sauce. Adding chicken broth to make a sauce might be a big help. Also, for a novice cook the recipe might be hard to figure out, as it gives no cook time for the chicken, nor does it say when to add the garlic.
I made this tonight, and the flavors do not complement each other at all, in my opinion. I was disappointed. I didn't eat much of it at all, because it really didn't appeal to me. The combination of lemon, oregano and garlic didn't do the portobello mushrooms justice.