Ribollita

Put 2 tablespoons of the oil in a large pot over medium heat. When it’s hot, add onion, carrot, celery and garlic; sprinkle with salt and pepper and cook, stirring occasionally, until vegetables are soft, 5 to 10 minutes.

Heat the oven to 500 degrees. Drain the beans; if they’re canned, rinse them as well. Add them to the pot along with tomatoes and their juices and stock, rosemary and thyme. Bring to a boil, then reduce heat so the soup bubbles steadily; cover and cook, stirring once or twice to break up the tomatoes, until the flavors meld, 15 to 20 minutes.