The purpose of the invention is to provide mayonnaise-like dressing that enables to enjoy the health benefit of egg white simply by consuming as daily food. The disclosed method for producing a dressing comprising the steps of: (1) providing 100 parts by mass of non-heated egg white, 5 to 50 parts by mass of soybean lecithin, 5 to 50 parts by mass of edible vinegar and 150 to 300 parts by mass of cooking oil (2) adding the soybean lecithin to the egg white and mixing the resultant mixture to form a semisolid having the viscosity of about 30,000 cP-50,000 cP (3) adding the edible vinegar to the mixture as obtained in step (2) and stirring the resultant mixture and (4) adding the cooking oil gradually to the mixture as obtained in step (3) and stirring the resultant mixture and a dressing produced by the method. Thus the invention provides excellent protein food containing essential amino acid in 100% of amino acid score.
