Ingredients (serving 4): Lasagna Rustichella d’Abruzzo 1 medium carrot 1 large onion 1 celery stalk 300 gr of beef meat, minced 200 gr of sausage meat, minced Intosso olive oil 400 gr of tomato sauce 4 table spoon of parmesan cheese, grated salt Preparation: Ragù sauce: heat 3 table spoons of olive oil in