Patent ID: 7942980

Claim:
A method of removing starch from a surface of an article of ware, the method consisting of: (a) in a first step, placing the article in a warewashing rack system and, presoaking the article in the rack system in an acidic solution by manually immersing the rack system in a tank containing the acidic solution for between approximately 1 minute and approximately 20 minutes to degrade and to remove starch from the surface of the article without scrubbing, wherein the acidic solution comprises at least one of the group consisting of phosphoric acid, sulfuric acid, sulfamic acid, methylsulfonic acid, hydrochloric acid, hydrobromic acid, nitric acid and an organic acid; (b) manually removing the rack system from the tank; and thereafter (c) cleaning the article in the rack system comprising placing the rack system in an automatic warewashing machine and performing an automatic warewashing process using an alkaline solution to cleanse the article and remove remaining starch from the surface of the article.