Tuna Pasta

• 30 g Parmesan cheese, cut in pieces (3 cm)

Tuna Sauce

• 50 g onions, quartered
• 20 g olive oil
• 350 g tomatoes, tinned
• 1 pinch fine sea salt, or to taste
• 1 pinch ground black pepper, or to taste
• ½ tsp dried oregano
• 140 g tinned tuna, in water, drained
• 50 g pitted black olives
• 10 g pickled capers

Pasta

• 1700 g water
• 250 g dried pasta, e.g. lumaconi (snail shell pasta)
• 1 tsp fine sea salt