Broiled and Burnt Roasted Tomato Soup With Grilled Cheese Crostini

A blue enamel bowl of tomato soup on white-and-blue checkered cloth. At center of bowl is a stack of cheese-topped crostini
(Stephanie Breijo / Los Angeles Times)

Why eat tomato soup from a can when this roasted, deeply flavorful version exists? Scoop up bites with garlicky cheesy crostini for best results.