Carve tomatoes crosswise, dip briefly in boiling water, rinse with cold water, peel skin. Cut tomatoes into quarters, cut out the core. Cut tomato quarters into bite-sized pieces.
Cook the pasta in boiling salted water according to the instructions on the packet. In the meantime, peel the garlic and press it through a garlic press. Wash the basil and remove the leaves. Mix tomatoes, garlic, basil and 4 tablespoons of olive oil.
Season with salt, pepper, sugar and chili. Melt butter in a pan. Swirl the noodles in it and fold in the tomato mixture. Season again and arrange in portions. Drizzle with 2 tablespoons of olive oil.
Grate the parmesan and serve.