First of all, the noodles need to be completely cooked and marginally soft in texture. The sauce plays a vital part during the achievements of the general dish and should be a combination of sweet, tangy, and salty. If it tastes sour, it has not been cooked the right way. https://www.sgvascularctr.com/treatment-of-peripheral-artery-disease-pad-in-singapore-a-comprehensive-guide/