Prepare a pot of salt water. Cook penne pasta till done. Drain. Pour pasta together with3 tbsp of salt water( from blanching pasta) into the cooked tomato paste . Mix well.

预备一窝盐水烚熟长通粉，沥乾水分，连同3汤匙烚长通粉的盐水，放进已煮的番茄酱内，拌匀。