All the cooking demonstrations take place on Sunday, Aug. 28. Delia Michaud will demonstrate Argentinian cuisine at noon; Maria Rave will prepare Brazilian fare at 1 p.m.; Lillian Lo will make Chinese food at 2 p.m. while the Dar family and Hampden resident Aniko Fulep are scheduled to prepare Pakistani and Hungarian cuisines respectively at 3 p.m. and 4 p.m.