2. First draw a cross on the surface of tomato with a knife to peel off the epidermis. After drawing the cross and scalding it with boiling water, it is easy to peel off the skin and taste better later. Dice tomatoes and onions.
3. Put the prepared spaghetti into boiling water, sprinkle a spoonful of salt in the water and cook for 10- 15 minutes. Take out the spaghetti, and you will find that the spaghetti is cooked, which makes it taste better.
4. Take another oil pan, add butter and minced onion and stir-fry until the minced onion changes color. Then add diced tomatoes and continue to stir-fry until the tomatoes have thick juice, and cook for about 3 minutes, sprinkling a little salt according to personal taste.
Finally, put the cooked noodles into the plate, then pour the fried sauce on it and stir. You can sprinkle some black pepper so that tomato spaghetti is ready.