Mould doesn’t like salt, sugar, acid, very dry or cold conditions, which is why a jar of strawberry ... cheeses away if mouldy. The higher water content means microbes grow quickly, which ...

Then you unscrew the lid and there it is - a circle of furry white-and-blue mould staring back at you from your strawberry jam ... says once you've cut off the mouldy part (being careful that ...