How To Store Rice Long Term In Mason Jars. Thoroughly dry the jars by first wiping them with a clean cloth, then placing them in the oven at 220° until they are thoroughly dry (about 30 minutes). Most of the oxygen will be done from the jars in 6 to 12 hours.
Just place food item, beans, rice or pretty much anything dry into jars with o2 absorbers, then put on lids and rings, tighten, place jars in pressure canner, remove or cover the rubber safety button on lid using heavy tape. 16 sterilized quart mason jars, lids, and rings. Sealing mason jars is the simplest way to store food.
Most of the oxygen will be done from the jars in 6 to 12 hours.
Fill the jars with the rice or beans, with about ¾ air space at the top. Turn the oven off, but leave the tray in the oven for an hour. Sealing mason jars is the simplest way to store food. I’ve had great success by storing rice in one quart canning jars (mason/ball) by vacuum sealing the lids using the “jar sealer” attachment on my vacuum sealer.