Is it okay to use a jar of alfredo sauce after expiration date?

No, it's not okay to use a jar of alfredo sauce after the expiration date. Consuming expired alfredo sauce can increase the risk of foodborne illnesses, such as Salmonella or E. coli. These bacteria can cause symptoms such as abdominal cramps, diarrhea, nausea, vomiting, and fever. The sauce can become unsafe to consume even if it appears and smells normal, as bacterial growth is not always visible or detectable by the senses.

It's important to follow the "use by" or "best before" dates on food products, including jarred alfredo sauce, to ensure they are consumed within a safe timeframe. Always discard any food that is past its expiration date to avoid potential health risks.