Nothing pairs better with grilled cheese than tomatoes, but the recipe below offers a unique spin on the classic soup-and-sandwich combo. Instead of puréeing tomatoes into a smooth soup, this recipe calls for roasting them until they're sweet and caramelized. After that, they're layered on thickly sliced sourdough with fresh mozzarella and pesto to make a savory sandwich with an Italian flair.
It's important to roast the tomatoes until most of the moisture has evaporated; otherwise, they'll make the sandwiches soggy. For this reason, choose fleshier tomatoes like Roma or beefsteak. You could even make this sandwich with heirloom cherry tomatoes for even more sweetness.