You may have leftover teriyaki sauce that you can store in the refrigerator in an airtight container for up to 2 weeks.You can also use bottled teriyaki sauce in place of the homemade recipe in the instructions.Leftover teriyaki salmon can be stored in an airtight container and refrigerated for up to 3 days. It's fantastic in an asian style wrap, as a pizza topping or on a salad.