Saturday, October 11, 2025

canning tomato passata

 I ran across "passata" as an ingredient in a recipe I found, and it sent me down a rabbit hole.  It sounds like it's fresher tasting because less cooked than tomato sauce, and it also frankly sounds quicker to get canned (I hate peeling tomatoes! what a mess!), so I think I'll make up a batch today.  Because my tomatoes are not mostly a canning variety like San Marzano or Roma, I expect that what I'll end up with will be quite watery - which will be fine most recipes and I can always cook it down as necessary.  [Edit: it's very flavorful and though it's not concentrated it doesn't taste watery.  This may be my new favorite way to can tomatoes.] 

Ideas from here.

  • clean tomatoes, cut out out any damaged areas, remove stems, halve or quarter to speed processing
  • put in large pot and simmer for 10-15 minutes, until softened
  • run through a foodmill to remove skins and seeds
  • heat jars in water bath canner
  • heat tomatoes back up
  • fill jars, leaving 1/2" headspace 
  • add lemon juice (1 T per pint)
  • process in water bath for 40 minutes per pint, 45 per quart

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