Pressure canning is a method of preserving food in mason jars at high temperatures. This process destroys harmful bacteria, ...

but decanting half-full cans of juice into jars is also time-consuming and doesn't offer much flexibility. When you have ...

Add the beetroot slices and blanche for 1 minute. Remove from the heat and stack the beet slices into your jars, packed tightly but not squashed, until they reach 5mm from the jar rim tops.