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Slow Cooker Tomato Sauce

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By sage
Member since 2007

Serves | Prep Time | Cook Time


1 teaspoon olive oil
2 onions, chopped
5 garlic cloves, minced
2 carrots, finely chopped
3 celery ribs, chopped
1 green pepper, chopped
1 red pepper, chopped
2 (28 ounce) cans tomatoes, crushed
1 (15 ounce) can tomato sauce
4 tablespoons tomato paste
1 (10 ounce) can tomato soup
2 teaspoons dried sweet basil leaves
1 tablespoon parsley
1 teaspoon dried oregano leaves
1/2 teaspoon thyme
1/2 teaspoon salt
1/2 teaspoon pepper
1/4 teaspoon cayenne
1 dash red pepper flakes


Heat oil in skillet; add onions,garlic, celery peppers and carrots.

Saute on high until transparent.

Transfer to slow cooker.

Add remaining ingredients.

Stir to blend together.

Cook on low for 7 to 9 hours.

About an hour before serving time, check and thin with water if necessary.

I love a thick sauce.

Last time I made this I have a large slow cooker; I added a 3rd can of chopped tomatoes.

Set the Slow cooker on Low and let is cook overnight.


Use your processor on the pulse mode to chop your vegetables.

I always try to make it in the summer and add my fresh herbs by the handfull.

Pairs Well With


I'll bet the house smells like heaven all day!

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