Fecha de publicación: 24/06/2015 Fuente: Wipo tomato The invention discloses a preparation method of a tomato-flavoured steamed bun. The preparation method comprises the following steps: (1), after immersing tomato flesh in lemon water, squeezing to obtain tomato juice; (2), after immersing a fermented sour dough in the tomato juice, mixing the fermented sour dough with wheat flour, and fermenting; and (3), after completing the fermenting, adding the wheat flour, tomato powder and water, kneading, forming, fermenting and steaming to obtain a finished product, namely the tomato flavoured steamed bun. The tomato juice and the tomato powder are respectively added in the preparation process of the fruit-flavoured steamed bun; and therefore, the prepared steamed bun has the full-bodied tomato flavour; demands of consumers on the fruit-flavoured steamed bun are satisfied; vitamin C and vitamin E are added into the fruit-flavoured steamed bun in the invention; and therefore, the nutrition of the steamed bun is increased; furthermore, oxidative damage of the juice to the steamed bun is effectively avoided; the tomato flavour of the steamed bun is increased; and the colour, the lustre and the whiteness of the steamed bun are also increased.