I do roasted lemons all the time, they are one of the more fabulous things
I have discovered! Made a huge tray of roasted veggies and put in lots of lemon wedges. They roasted up beautifully, released the juices into the dish, and the result is caramelized chunks of heaven. Yes, they have a sweet caramely taste and just a hint of bitter which is wonderous! With my home grown lemons, I do not get that slightly bitter taste, just sweet lemon heaven. They are on their way, got our first ripened one yesterday.