Lasagna with ham, grilled vegetables and cheese

Brown sausage meat in large pan in 15 ml (1 tablespoon) oil; when cooked, add pepperoni and cook two minutes longer, stirring. Remove from pan and drain off fat. Set aside in a bowl.

In the same pan, sauté onions, carrot, celery and garlic in remaining oil. Add salt and pepper.

Add tomato paste and cook, stirring, for one minute; add whole tomatoes crushed by hand, with tomato sauce, oregano, bay leaves, thyme and ground red pepper if using. Bring to a boil, reduce heat and let simmer gently, stirring and scraping bottom of pan from time to time, for about 2 hours or till sauce has thickened.