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    Home » Recipes » Main Course

    Slow Cooker Marinara Sauce

    Published: Nov 15, 2018 . Modified: Oct 2, 2023 by Allie

    Jump to Recipe·Print Recipe

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    slow cooker marinara sauce

    This is a simple slow cooker oil-free tomato sauce, that goes great on pizza and my simple weeknight pasta recipe.  No added sugar or oil like a lot of store-bought ones.  Just toss all the ingredients into a slow cooker and now you have a delicious marinara sauce.

    Freezing Tips

    I make a lot of sauce at one time and I freeze it in jars and use it for meals later.  After it cooks, I let it cool, then transfer the sauce to jars, then let it cool to room temperature before sticking them in the refrigerator or freezer.  Make sure the jars are cool before freezing them, it helps prevent the jars from cracking.  Don't fill the containers all the way full, leave about 2 inches of room at the top of the jar so the sauce can expand in the freezer.  I label the lids with masking tape with the name of the contents and the date.  Next, I transfer the jars to the freezer.

    slow cooker marinara sauce

    My family goes through a lot of peanut butter so I buy the big 26 oz glass jars of peanut butter then clean the jars when they’re empty and reuse them.  I have been doing this for years and not one of those has cracked.  I love it when I can reuse something!

    I hope you enjoy the slow cooker marinara sauce! For more recipes using a slow cooker try whole food plant-based quinoa chili and slow cooker vegetable broth.

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    Recipe

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    marinara sauce in a glass jar

    Slow Cooker Marinara Sauce


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    • Author: Allie
    • Total Time: 8 hrs
    • Yield: 12 cups 1x
    • Diet: Vegan
    Print Recipe
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    Description

    Easy slow cooker marinara sauce that's perfect for pasta and pizza. Full of flavor and a perfect freezer stable.


    Ingredients

    Scale
    • 4 cans of 28 oz crushed tomatoes
    • 3 tablespoons tomato paste
    • 1 tablespoon balsamic vinegar
    • ½ tablespoon maple syrup
    • 2 tablespoons dried basil
    • 1½ tablespoon dried oregano
    • 2 teaspoon onion powder
    • 2 teaspoon garlic powder
    • 1 teaspoon salt
    • black pepper (to taste)

    Instructions

    1. Put everything in a slow cooker and stir to combine.
    2. Cook on low for 7-8 hours or high for 4 hours.

    Equipment

    Image of slow cooker

    slow cooker

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    • Prep Time: 5 mins
    • Cook Time: 7-8 hrs
    • Category: Dinner
    • Method: slow cooker
    • Cuisine: American, Italian

    Keywords: slow cooker marinara sauce, slow cooker tomato sauce, oil free marinara

    Did you make this recipe?

    Tag @threelittlechickpeasblog on Instagram and hashtag it #threelittlechickpeasblog

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    Hi, I'm Allie! I love cooking and I want to share my simple plant-based meals with you. Eating this way doesn't have to be complicated or expensive. Just simply delicious!

    More about me →

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    marinara sauce in a glass jar