Expired food

On the 29/10/2017 i visited Checkers Southgate and I bought groceries and in my grocery I bought 2 Inkomazi which they both expire on the 13/11/2017 when I got home wanted to make food for my son when I opened the 1st Inkomazi it had a funny smell I then opened the second 1 it also had the same smell and also tasted funny