I'm usually good if that date is within 18 months. After that I toss it. The taste goes way down hill after that. There are a few exceptionsI started in the brokerage business in 1987. The manufacturers and packers I rep'd used Julian date codes for the pack date. We knew when to pull or issue credits depending on the item. Jiffy Corn Muffin Mix went out if code fairly quick compared to say anything with tomatoes in it (high acidity.)
Best thing manufacturers ever did was to put "sell by" dates on products. Way too many folks think it's an "expiration date" and toss it.

