200 g spaghetti
5–6 ripe tomatoes, chopped
4 garlic cloves, finely chopped
1 small onion, finely chopped
2 tbsp olive oil
1 tsp chilli flakes
1 tsp dried oregano
8–10 fresh basil leaves
½ tsp black pepper
Salt, to taste
2 tbsp grated Parmesan cheese (optional)
1 tsp butter (optional)
