Sauté pancetta with onion, carrot, celery until soft.· 8m
Add beef, brown deeply, then deglaze and simmer with passata for ragù.· 90m
Melt butter, whisk in flour, then milk, season with nutmeg — make béchamel.· 10m
Layer ragù, béchamel, pasta sheets, Parmigiano in a baking dish.
Bake at 190°C until bubbling and golden on top.· 35m
Rest 10 minutes before slicing.· 10m