removing the bitter taste from canned tomatoes

Wichita, KS
Updated on Jan 20, 2015

This is part two of working with canned tomatoes. Our quest is to reduce the bitter, acidic taste associated with most brands of canned tomatoes. So, you ready… Let’s get into the kitchen.

prep time 20 Min
cook time
method No-Cook or Other
yield Lots of people

Ingredients

  • can tomatoes

How To Make removing the bitter taste from canned tomatoes

  • Step 1
    Chef’s Note: The one thing all canned tomatoes have in common, is what is called the “canned” taste of the tomatoes. In some cheaper cans of tomatoes, the taste is more pronounced; while in other, more expensive labels, it’s much less. Our goal is to reduce that “bitter” taste, and wind up with a great-tasting tomato that we can then use in virtually any tomato-based dish.
  • Step 2
    FIRST THINGS FIRST
  • Step 3
    You will need the right can of tomatoes, so if you want some help with that, go to this recipe post I put together on the best-canned tomatoes: https://www.justapinch.com/recipes/soup/soup-other-soup/cooking-class-the-best-canned-tomatoes.html Understand that nothing you do can fix a really bad can of tomatoes… NOTHING. Imagine spending hours working on that special tomato or pizza sauce only to have it ruined by a bad can of tomatoes.
  • Step 4
    TASTE TEST
  • Step 5
    Let’s get started. Open a can of tomatoes and give it a taste.
  • Step 6
    Chef’s Tip: Even cans of tomatoes from the same brand name will have subtle differences from can to can. This can mostly be explained by seasonal differences in the picked tomatoes.
  • Step 7
    Good labels like: Strianese, and Nutrilia work hard to limit the difference; however, you simply can’t grow the same tomato, with the same taste, over-and-over again… So, open the can and taste it.
  • Step 8
    Chef’s Note: Before I’ll ruin one of my sauces, I’ll throw away a can of tomatoes that taste too bitter or, better yet, I’ll return them to the store. I’ve purchased two cans of tomatoes from the same brand name, brought them home and opened them… One was useable, the other wasn’t. Good chefs will taste as they go.
  • Step 9
    Chef’s Note: Yes, it is possible to return a can of open tomatoes, or whatever, to a store. My store knows me so well, that all they expect me to return is the empty can, if it is bad.
  • Step 10
    Before buying, pick up the can and give it a shake, if it sounds real watery, it’s probably too bitter. Put it back and shake another one. Shake, Rattle, and Roll. You’ll looking for a can that sounds more viscous, or thick. If you shake a really cheap tomato brand, it will probably feel like you’re shaking a tin of water.
  • Step 11
    Chef’s Note: How can you tell if a can feels watery or viscous? How can you tell when you taste the tomatoes if they are too bitter to use? Experience is the teacher here. In my classes, I have good and bad cans, and I let my students shake the cans to get experience on what to expect. The same is true with tasting tomatoes. The more you do it, the better you will get. Go into the store, and find the most expensive can of tomatoes you can and then shake it… Now find the cheapest, junk can of tomatoes you can and then shake that one… Notice any difference?
  • Step 12
    DESEEDING THE TOMATOES
  • Step 13
    Chef’s Note: This step is only necessary if you are buying whole plum tomatoes, not crushed or diced. However, I do recommend in almost all cases that you buy whole plum and crush them yourself.
  • Step 14
    Pour the tomatoes, juices and all, into a non-reactive bowl.
  • Step 15
    Remove the stems, from the tomatoes with a small pairing knife, and discard.
  • Step 16
    Squeeze the tomatoes to extract the seeds, but do this by squeezing them back into the bowl with the juices.
  • Step 17
    If you choose you can even cut the tomatoes open to extract as many of the seeds as possible. Again, return the seeds to the bowl with the tomato juices.
  • Step 18
    After extracting the seeds place the tomatoes into a separate bowl.
  • Step 19
    Use a medium mesh strainer to separate the seeds out of the tomato juices. You want all the juice (every bit), and the only things left in the strainer will be all those seeds.
  • Step 20
    Add the juices to the tomatoes, and discard the seeds.
  • Step 21
    Lightly crush the tomatoes, but don’t puree.
  • Step 22
    Chef’s Note: I usually use my hands to crush the tomatoes. The best tool a chef has is his/her hands.
  • Step 23
    RINSING THE TOMATOES
  • Step 24
    That’s right were going to give our tomatoes a quick shower.
  • Step 25
    All canned tomatoes will have a certain amount of bitterness. If you’re using some of the more expensive brands, you might not need to do a rinse; however, as I’ve mentioned before, every can of tomatoes is different; even two cans from the same brand name.
  • Step 26
    Place the tomatoes in a fine mesh strainer, and allow them to drain, this might take a couple of minutes.
  • Step 27
    Chef’s Note: You will need a very fine mesh strainer for this operation to work correctly.
  • Step 28
    Chef’s Note: DO NOT push on the tomatoes, just let them drain naturally.
  • Step 29
    Once drained, you should have a bowl of clear water (the tomatoes are still in the strainer).
  • Step 30
    Chef’s Note: If the water is really red, carefully pour it back on top of the tomatoes, and strain again. Eventually, you should have a bowl of mostly clear water, and every bit of tomato is still in the strainer. Or, you might need a finer mesh strainer.
  • Step 31
    Chef’s Tip: If you taste the water, it should be bitter.
  • Step 32
    Discard the bitter water, and rinse again with a bit of fresh water.
  • Step 33
    Chef’s Tip: Don’t mess with the tomatoes; just let them be, and pour the water over them… around a half a cup.
  • Step 34
    Chef’s Note: Now when you taste the second batch of water, it should be less bitter.
  • Step 35
    Repeat the straining process until most, but not all of the bitterness, has been removed from the tomatoes. On most canned varieties two to three rinses is all you are going to need. Remember, we don’t want to remove all of the bitterness and acid.
  • Step 36
    All your wonderful tomatoes are still in the strainer.
  • Step 37
    At this point, you have now removed the bitterness and acid, and what you have is good-tasting tomatoes that you can now use in anything from a pizza sauce to a marinara.
  • Step 38
    Chef’s Tip: Here are some other ways to help in reducing the bitterness of canned tomatoes: Sugar (just a touch): For some sauces this will work; however, when I’m making a pizza sauce, I don’t use sugar. I don’t like a sweet pizza sauce. Salt (just a pinch): Adding salt might sound a bit counterintuitive; however, salt working with the acidic tomatoes will reduce their overall bitterness. Dried Oregano (crushed in your hand before adding): The released oils will help to reduce the bitterness.
  • Step 39
    Keep the faith, and keep cooking.

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