Combine ingredients in a large bowl; stir until well blended. Put about 1 1/3 cups of mix into three 1-pint airtight containers and label as Onion-Flavoured Rice Mix.Store in a cool, dry place and use within 6 to 8 months.
Onion-Flavoured Rice: Combine 1 1/3 cups ONION-FLAVOURED RICE MIX, 2 cups cold water, and 1 T soy margarine in a medium saucepan. Bring to a boil over high heat; cover and reduceheat. Cook for 15 to 25 minutes, until liquid is absorbed.