1. Preheat the oven to 350°F Heat the olive oil in a flameproof casserole on the hob. Add the onion and the garlic and cook for 10min until golden and softened. Add the leeks and cook, covered, for 5min. 2. Add the tomatoes, beans and broth and season well. Bring to the boil, then cook in the oven, covered with a lid, for 35-40min until the sauce has thickened. 3. Stir in the balsamic vinegar and spoon into warmed bowls. If you like, serve with quartered lime wedges. ---------------------------------------------------------------------------
Nutrition
Ingredients