Drizzle over 2 tablespoons of the oil and mix to coat. Season generously with salt and pepper. Heat a large, non-stick frying pan over a high heat. When the pan is hot, add the vegetables in ...

In an enameled cast-iron casserole, heat the oil. Add the celery, onion and leek and cook over moderately high heat, stirring a few times, until softened, 5 minutes. Add the farro and tomato paste ...