Add tomato paste and stock. Bring to the boil, stirring constantly. Reduce heat and simmer on low heat until mixture thickens. Season with salt to taste.

• 加入番茄酱和调味汤料。不断的搅拌使之沸腾。减弱火力、不断搅拌在弱火煮透。然后加盐以调味。