The study of the using Wolffia substitute for Pandanus in Kanom Piakpoon the purpose of this study is basic recipes of Kanom Piakpoon and to study the amount Wolffia substitute for Pandanus in Kanom Piakpoon. Used to the amount wolffia in different 4 levels : 0% 50% 75% and 100% of the Pandanus weight. The experiment is analyzed by Randomized Complete Block Design (RCBD) to evaluate the characteristic of appear color flavor taste texture (stickysoft) and overall. The characteristic evaluation is scored in 9 – Point Hedonic Scale. There are 80 participants including teachers and thired years students from foods and nutrition field who are not trained on food tasting the Faculty of Home Economics Technology Rajamangala University of Technology Pha Nakhon. The study is analyzed by analysis of variance (ANOVA) and Duncan’s New Multiple Range Test (DMRT). Statistical evaluation is also used to analyze. The study finding showed that accept amount of the using Wolffia for Pandanus in Kanom Piakpoon at 75% of the Pandanus weight. Highest every aspect. The characteristic of appear color flavor taste texture (stickysoft) and overall are in the moderate level were different with statistical significant (p≤0.05).