Boil the spaghetti noodles in boiling water.
Cut the tomatoes into bite-sized pieces.
Wash the basil leaves thoroughly.
Add olive oil to a pan and sauté the chopped tomatoes.
Add the cooked spaghetti to the pan.
Add basil pesto and basil leaves, then mix quickly.
Season with salt and pepper to taste.
Plate and finish with grated Parmesan cheese.