Abstract: Food composition for making sausages or hamburgers comprising a vegetable, selected from among Swiss chard, spinach, mushroom, sweetcom or another, a proteinaceous material, salt and water and, optionally, antioxidants and flavourings, both thereof in particular of natural origin. The proteinaceous material used comprises a combination of proteins isolated from soya and proteins isolated from whey. The method of preparation of the composition comprises mixing the proteinaceous material with water, adding ice in flakes and forming an emulsion, to which are added the vegetable and the salt and, in an optional manner, antioxidants and/or flavourings.