The invention relates to a method for producing a mixture containing a hydrated egg product and a substance of interest, wherein the mixing is carried out by means of ultrasonic nebulisation. The method comprises: beating at least one egg product until it is in a foam state； adding at least one substance of interest, in the form of a pressurised mist, to the foamy egg product； mixing until an emulsified mixture in a foam state is obtained； suctioning the emulsified mixture in order to transfer same to a dehydrator； dehydrating the emulsified mixture until a moisture level no greater than 5% is obtained； grinding the emulsified mixture to the desired grain size distribution； and sterilising the ground mixture. The invention also relates to the mixtures produced using said method, and to the products containing said mixture.
