Will I assassinate my neighbours? Should I use a jar of mincemeat dated Apr 2005 to...
Should I use a jar of mincemeat dated Apr 2005 to make mince pies? I presume yes but will we get the s*its when I invite them over for mull wine and m/pies?
Answers: If the top of the jar is bulging up the answer is yes - it is full up with microbes. If not see if it has a funny smell.
You are going to cook the heck out of it so nearby probably is not much risk. If you are concerned, buy another one and dump the old one.
flaming turd sack