A processed food comprising a plant tissues of processed beans, grains, nuts/seeds, vegetables or fruits comprising single cells of plant tissues of beans, grains, nuts/seeds, vegetables or fruits which are dispersed therein, said plant tissues being manufactured by a method comprising:
- a soaking step comprising soaking in which the plant tissues of beans, grains, nuts/seeds, vegetables or fruits are soaked in water,
- a pressurization and a heating step comprising pressurizing and heating in which the soaked plant tissues of beans, grains, nuts/seeds, vegetables or fruits are pressured and heated in the presence of water, and
- a fine crushing step comprising crushing finely in which the pressured and heated plant tissues of beans, grains, nuts/seeds, vegetables or fruits are crushed finely at a temperature of more than 30° C.