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Slow Cooker Marinara {Freezer Recipe}

This healthy homemade marinara sauce comes together so easily in the slow cooker! It's full of flavorful seasoning, chunks of tomatoes, and a hidden veggie or two.
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Prep Time: 20 minutes
Cook Time: 4 hours
Total Time: 4 hours 20 minutes
Servings: 10
Author: Organize Yourself Skinny


  • 3 tablespoons olive oil
  • 5 medium carrots peeled and chopped
  • 1 onion chopped
  • 6-7 cloves garlic chopped
  • 1 teaspoon basil
  • 1 teaspoon oregano
  • 1 can 6-ounce tomato paste
  • ½ cup wine
  • 1 28 ounce can crushed tomatoes
  • 1 28 ounce can diced tomatoes
  • salt and pepper to taste


  • In a 5 1/2 - 6 qt sauce pot heat 1 tablespoon of olive oil on medium high. Add in the carrots and cook for about 3-4 minutes until all sides are slightly browned. Place carrots in the slow cooker insert.
  • Using the same pot, heat up another tablespoon of olive oil and add in the onions and cook for 3-4 minutes or until translucent.
  • Add the garlic and cook for another 2-3 minutes or until fragrant.
  • Stir in the tomato paste and red wine. Cook for another 3-4 minutes.
  • Add to slow cooker with the crushed tomatoes and diced tomatoes.
  • Cook on high for 3-4 hours hours or on low for 7-8 hours.