Peel tomatoes and put them into a blender to break them; Onions, celery, garlic and carrots are as small as possible;
Add oil to the hot pot. Stir-fry onion, garlic, celery and carrot until fragrant, and then pour in tomato sauce. Stir-fry and add a little salt, black pepper, tomato sauce and basil leaves. After stir-frying, turn down the heat and simmer until the sauce is thick.
Add water to the pot, add a little salt, hold the top of the spaghetti and stand in the center of the pot, then let go and let the noodles spread radially (if it is not long noodles, but various macaroni, you don't have to put it in the center of the pot, just pour it into the water like fish food; Cooking spaghetti is easy to boil, so be careful to stir it at any time. Feel almost cooked, just grab one and cut it off to see if there are any white spots in the noodle core. Cook it for a while if you have it, or cook it if you don't.