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You can use a plasticYou can use a plastic container, but be sure it is food-grade plastic and has not previously held non-food substances. Also keep in mind that a plastic container can leach chemicals and is more prone to scratches that can harbor harmful bacteria. If you have a slow cooker, you can use the stoneware insert.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?