Topic: freezing and oil

[John]

Just had a thought, how about putting some gravy in a doritos dip jar, with a layer of oil over the top, then use the canning process..
ie. place in water with the lids on and boil, that should expell the air and make it just like sauce brought from a supermarket.

I wonder how long that would last, i would try it myself but i dont have much time these days, maybe somebody could give it ago and report your findings.