1. Melt the butter in the pan with a warm fire, turn on the high fire, add the chopped onion, stir-fry until fragrant, and then add the diced tomatoes and stir-fry.

2. After the soup is served, add basil, black pepper and salt, and keep stirring to dry the soup into a sauce.

3. Pour the water into the pot and heat it. After the water is boiled, add a little salt, then cook according to the time indicated on the spaghetti packaging bag, control the moisture, and pour a little cooking oil into the noodles and stir to avoid adhesion.

4, from the pot, pour a little oil, when the oil is seven minutes hot, add mushrooms, ham, green peppers and stir-fry the fragrance, pour the freshly fried tomato sauce and pasta, stir-fry evenly in the pot, and the noodles will be fine.