Passatelli con asparagi e ‘Nduja
eggs • grated Parmesan cheese (about 100 grams) • plain breadcrumbs (about 100 grams) • Zest of half a lemon • Nutmeg, to taste • Fine salt, to taste • carrot • celery stalk • onion • asparagus • tomato purée (about 500 grams) • Extra-virgin olive oil, •