Peel and finely dice the onion and garlic. Wash and dry the chillies and cut them in half lengthwise. Remove seeds and cut into rings. Fry onion, garlic and chillies in hot oil. Add tomato pulp and simmer in open pot for about 5 minutes.
Season to taste with salt. Cook the pasta in bubbling salt water for about 10 minutes until al dente. Pluck the herb leaves from the stems and add to the sauce. Drain the noodles, rinse with cold water and drain. Serve with the sauce on dinner plates