Is this unsafe or will my preserves be fine?
Are you channeling your best self with this comment? (If you're not sure, check out our Code of Conduct.)
As long as the water was boiling and covered the jars by the specified amount, there's nothing to worry about. Water boils at the same temperature, lid or no lid.
Once and for all, let's settle this shall we?
The Best Way to Make Carbonara, According to an Italian Chef
5 Minutes to a Sparkly Microwave
What's New in the Neighborhood
My Family Recipe: Mexican Meatballs
The Hits Keep Coming