i Addis Ababa Institute of Technology (AAiT) School of Graduate Studies Department of Chemical Engineering PRODUCTION AND CHARACTERIZATION OF OAT - WHEAT BASED FOOD PRODUCTS A Thesis Submitted to the School of Graduate Studies of Addis Ababa Institute of Technology, in Partial Fulfillment of the Requirements for the Degree of Master of Science in Chemical Engineering (Food Engineering Stream) By: Shewarega Habtamu Advisor: Dr.Eng. Shimelis Admassu (Assoc.Prof.) Addis Ababa, Ethiopia October, 2012