[header] How to preserve beetroot [title] Sterilize your canning jars. [step] You may use mason jars with lids and rings or recycled glass jars that previously held tomato sauce or other food items. If you're using used jars, scrub out the jars with soapy water and a scrub brush to remove all food particles, or run them through the dishwasher. 
Sterilize the jars, lids, and any utensils you're using in the following way : [substeps] Place them in a large pot and fill it with cold water. Bring the water to a boil and boil for 10 minutes.