Homemade Pizza Sauce (to freeze)

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Homemade Pizza Sauce | Real Food RN

We just love making cauliflower crust pizzas and loading them with our own unique toppings. The sauce can be quite a conundrum though….most brands contain soybean or canola oil! Yuck! We had an abundance of tomatoes this year so I decided to forego plain old tomato sauce or sun dried tomatoes, and use them to make homemade pizza sauce that is healthy for my family. Let me tell you, as I was developing this recipe I was so obsessed with tasting it there might be a chance that I eat some as soup this winter. It’s that tasty!


  • 20 large tomatoes, chopped
  • 2 organic bell peppers, chopped
  • 2 large heads of garlic, peeled and chopped
  • 2 onions, peeled and diced
  • 1 bunch basil, de-stemmed and finely chopped
  • 4 cans organic tomato paste — where to find
  • 2 Tbsp paprika — where to find
  • 2 Tbsp kelp granules (optional) — where to find
  • 2 Tbsp coconut sugar — where to find
  • Salt & pepper to taste


  • Wash and chop all of the vegetables and add them to a large stock pot
  • Cook over medium-high heat until it starts to bubble
  • Add in spices, stir and turn down to low heat
  • Cover pot and let it simmer for 3 hours

Homemade Pizza Sauce | Real Food RN

  • Remove from heat and allow to cool
  • Add in the tomato paste
  • Using an immersion blender, puree the sauce right in the stock pot until smooth

Homemade Pizza Sauce | Real Food RN

  • Ladle into clean 1/2 pint canning jars, leaving 1″ headroom to allow for expansion if you plan to freeze the sauce

Homemade Pizza Sauce | Real Food RN

Homemade Pizza Sauce | Real Food RN

  • Cool completely and stack upright in freezer (don’t forget to label and date the jars!)
  • Makes 10 half pint jars of sauce
  • Lasts up to 1 week in the fridge and up to 1 year (or more) in the freezer

Homemade Pizza Sauce | Real Food RN

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  1. Tammy says

    You can cut the cooking time down simply by first putting the tomatoes through the blender. Then putting them in the refrigerator overnight. In the morning the tomato pulp will float to the top. I use a turkey baster to suck most of the tomato water out. Then add the remaining ingredients and heat thru, cook and can or freeze. Save the tomato water for cooking and add flavor and nutrients!

  2. Merlyn De La Torriente says

    Hi Kate, this pizza sauce looks great! I’m looking for a sauce that can be use for both pasta and pizza. Would you recommend using this one for pasta/spaghetti as well?

  3. Laura says

    What is the point of the kelp granules? I’ve never heard of them and am curious as to whether they are necessary.

    • says

      Laura, kelp granules are great source of minerals and are especially good for thyroid health. I add them to a ton of the foods that I cook! But again, they are entirely optional :)

  4. Shannon Suzanne says

    Hey, just curious…what size cans of tomato paste? This looks like a great recipe to try and I love canning tomato sauces! I've done a ton of different marinaras and salsas already.

  5. Anne Gordon Anderson says

    This looks really great, but is there a reason for the coconut sugar? I'm allergic to coconut. Is it bitter without? Our tomatoes have a natural sweetness to them already. Also I would probably hotwater bath these, will the kelp reduce the amount of acid? I add lemon juice to the jars when canning to increase it. Thanks!

    • says

      You can certainly omit the coconut sugar. It will not be bitter without it. I have just found that pizza sauce is a little sweeter than traditional tomato sauce. So, we add the sweet and it tastes perfect as pizza sauce! :)

    • says

      Yeah the canning method makes it last longer. I just didn’t have time to do the whole canning thing this year so I froze them. Good enough for me :)

  6. Nichole Christensen says

    What size canning jars? One spot says 1/2 pint and the other says pint. I’m looking forward to trying this!

    • says

      Ooh, good catch. I do half pints. Its a better serving size when pulling them out of the freezer. I updated the post. Thanks! I hope you like it :)

  7. Dawn Wolfington says

    i have a question, the jars don’t bust being placed in the freezer? I would be afraid the glass would shatter. Thanks in advanced. I want to try this but thinking I should use my Tupperware instead. Thoughts?

    • says

      Dawn, you need to leave 1″ of headroom from the top of the jar to allow for expansion. I have frozen stuff in jars hundreds of times. Only had a few break, when I first started doing it and did not leave enough room. Works great! Your tupperware would work too, but it might stain the tupperware pink.

  8. Donna says

    Sounds like a good recipe! oIf you didn’t want to do the kelp, would you use salt in its place? Why kelp, for flavor or iodine? Or perhaps both?




  9. Kate says

    I am currently making a double batch of this recipe, but even after letting the sauce simmer for 3 hours, it seems pretty watery. Any suggestions?


  10. Stacey says

    You mentioned that you did not peel the tomatoes. I thought you were always supposed to blanch and peel tomatoes when canning {I’m still new to this :-) }. I hate blanching and peeling tomatoes, but if you say you just chop and throw in, I’m happy!

  11. Emily says

    Would you have an approximate idea of how many tomatoes you used by weight? For some reason I continue to be unable to grow big tomatoes but my cherry tomatoes are exploding and I’d love to make some pizza sauce to freeze, ESPECIALLY one that does not involve peeling all those little boogers. Thank you!!

    • says

      I am not sure, so I googled it. Here is what I found: 1 medium tomato weight 5 to 6 ounces and equals about 3/4 cup. 1 large tomato weighs 7 or more ounces and equals about 1 1/4 cups. 2 1/2 pounds fresh tomatoes = 3 cups chopped and drained fresh tomatoes = 2 1/2 cups seeded, chopped cooked tomatoes. 1 pound fresh tomatoes = 3 cups pureed tomatoes.

      • Emily says

        Thank you! Lol, Google, what a concept. 😉 I am normally much better about doing that myself, not sure why it escaped me this time!

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