Nice, I want to try all of this! The one thing that's hard to imagine is roasting a tin of tomatoes. You open the tin, and inside you have a juicy tomato floating in water or sauce. I assume you dump the water. But isn't the tomato way to moist for roasting? Wouldn't that fill your oven with steam?
RE: Dry Roasting Vegetables - Going for the Maillard Reaction