14 Delicious Slow Cooker Tomato Sauce Recipes

Slow cookers are the unsung heroes of the kitchen, especially when it comes to crafting the perfect tomato sauce. Whether you’re in the mood for a classic marinara, a spicy arrabbiata, or something uniquely your own, our roundup of 14 Delicious Slow Cooker Tomato Sauce Recipes has got you covered. Dive in and discover how easy it is to turn simple ingredients into rich, flavorful sauces that’ll make any meal unforgettable.

Classic Slow Cooker Tomato Sauce

Nothing beats the convenience of a slow cooker for a rich, homemade tomato sauce. Perfect for busy days, this recipe lets your kitchen do all the work.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• a small onion, finely chopped
• 4 garlic cloves, minced
• a couple of tbsp olive oil
• a splash of red wine (optional)
• 1 tsp sugar
• a handful of fresh basil leaves
• salt and pepper to season

Instructions

1. Heat olive oil in a pan over medium heat. Sauté onion until translucent, about 5 minutes.
2. Add minced garlic and cook for another minute, until fragrant.
3. Transfer the onion and garlic to the slow cooker. Tip: This step builds a flavor base.
4. Pour in the crushed tomatoes, red wine, and sugar. Stir to combine.
5. Tear the basil leaves and add them to the sauce. Season with salt and pepper.
6. Cover and cook on low for 6 hours. Tip: Slow cooking melds the flavors beautifully.
7. After cooking, give the sauce a good stir. Tip: For a smoother sauce, blend it briefly.

Amazingly versatile, this sauce has a deep, rich flavor with a velvety texture. Try it over pasta, or as a base for pizza or lasagna.

Slow Cooker Tomato Basil Sauce

Let’s dive into making a Slow Cooker Tomato Basil Sauce that’s effortlessly delicious and perfect for busy weeknights.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• a splash of olive oil
• a couple of garlic cloves, minced
• 1 small onion, finely chopped
• a handful of fresh basil leaves, torn
• 1 tsp sugar
• salt and pepper, just enough to season

Instructions

1. Heat a splash of olive oil in a pan over medium heat. Tip: This helps to release the flavors of the garlic and onion.
2. Add the minced garlic and chopped onion. Cook until soft, about 3 minutes.
3. Transfer the garlic and onion to your slow cooker. Tip: No need to clean the pan; those bits add flavor.
4. Pour in the crushed tomatoes, add the torn basil leaves, sugar, salt, and pepper. Stir well.
5. Cover and cook on low for 6 hours. Tip: Stir occasionally to prevent sticking.
6. After cooking, taste and adjust seasoning if needed.

Zesty and rich, this sauce clings beautifully to pasta. Try it over spaghetti or as a base for homemade pizza.

Hearty Slow Cooker Meatball Tomato Sauce

Just when you thought meatball sauce couldn’t get any easier, this slow cooker version proves you wrong. Juicy meatballs simmered in a rich tomato sauce that’s hands-off delicious.

Ingredients

– a pound of ground beef
– a couple of eggs
– a cup of breadcrumbs
– a splash of milk
– a teaspoon of salt
– a half teaspoon of black pepper
– a couple of cloves of garlic, minced
– a jar (24 oz) of your favorite tomato sauce
– a can (14.5 oz) of diced tomatoes
– a tablespoon of Italian seasoning

Instructions

1. In a large bowl, mix the ground beef, eggs, breadcrumbs, milk, salt, pepper, and minced garlic until well combined.
2. Roll the mixture into meatballs, about 1 inch in diameter. Tip: Wet your hands to prevent sticking.
3. Place the meatballs in the slow cooker.
4. Pour the tomato sauce and diced tomatoes over the meatballs.
5. Sprinkle the Italian seasoning on top.
6. Cover and cook on low for 6 hours or high for 3 hours. Tip: Don’t peek too often to keep the heat in.
7. Gently stir the sauce and meatballs halfway through cooking. Tip: If the sauce is too thick, add a splash of water.
8. Serve hot. A perfect pair with spaghetti or crusty bread for dipping.
Absolutely comforting, the sauce is thick and clingy, with meatballs so tender they fall apart at the touch. Try serving over polenta for a twist.

Slow Cooker Spicy Arrabbiata Sauce

Mouthwatering and bold, this Slow Cooker Spicy Arrabbiata Sauce is a game-changer for pasta night. Minimal effort, maximum flavor—let’s dive in.

Ingredients

– A couple of tbsp olive oil
– 1 medium onion, diced
– 4 garlic cloves, minced
– A pinch of red pepper flakes (adjust for heat)
– 28 oz can of crushed tomatoes
– A splash of red wine (optional)
– 1 tsp sugar
– Salt to season
– Fresh basil leaves for garnish

Instructions

1. Heat olive oil in a pan over medium heat. Tip: Warm oil prevents sticking.
2. Add diced onion, sauté until translucent, about 5 minutes.
3. Stir in minced garlic and red pepper flakes, cook for 1 minute until fragrant. Tip: Don’t let garlic burn.
4. Transfer everything to the slow cooker.
5. Pour in crushed tomatoes and red wine if using. Tip: Wine adds depth.
6. Sprinkle sugar and salt, stir well.
7. Cover and cook on low for 6 hours or high for 3 hours.
8. Garnish with fresh basil before serving. Spicy, rich, and slightly sweet, this sauce clings perfectly to pasta. Try it over spaghetti or as a pizza base for a twist.

Slow Cooker Mushroom Tomato Sauce

Tired of the same old pasta sauce? This slow cooker mushroom tomato sauce is a game-changer, packed with umami and ready with minimal effort.

Ingredients

– 2 cups of chopped mushrooms (any kind you like) – 1 can (28 oz) of crushed tomatoes – a splash of olive oil – a couple of garlic cloves, minced – 1 tsp of dried oregano – salt, just a pinch

Instructions

1. Heat a splash of olive oil in a pan over medium heat. 2. Add the minced garlic and sauté for about 30 seconds until fragrant. Tip: Don’t let the garlic brown or it’ll turn bitter. 3. Toss in the chopped mushrooms and cook until they’re soft and have released their moisture, about 5 minutes. 4. Transfer the mushroom and garlic mix to your slow cooker. 5. Pour in the can of crushed tomatoes and add the dried oregano and a pinch of salt. Stir well. Tip: If you like a smoother sauce, blend half of it before serving. 6. Cover and cook on low for 6 hours or high for 3 hours. Tip: Stir occasionally to prevent sticking. 7. Taste and adjust seasoning if needed before serving. A rich, hearty sauce that clings perfectly to pasta, with a deep mushroom flavor that’s unexpectedly meaty. Try it over polenta for a cozy twist.

Slow Cooker Garlic Tomato Sauce

Let’s dive into making a Slow Cooker Garlic Tomato Sauce that’s effortlessly rich and flavorful. Perfect for those busy days when you want dinner to practically make itself.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• a splash of olive oil
• a whole head of garlic, minced
• a couple of basil leaves, torn
• 1 tsp of sugar
• salt and pepper, just enough to season

Instructions

1. Heat a splash of olive oil in a pan over medium heat. Tip: Warming the oil first helps release the garlic’s aroma.
2. Add the minced garlic and sauté until golden, about 2 minutes. Watch closely to avoid burning.
3. Transfer the garlic to your slow cooker and add the crushed tomatoes, basil, sugar, salt, and pepper.
4. Stir everything together. Tip: A good mix ensures the flavors meld beautifully.
5. Cover and cook on low for 6 hours. Tip: Slow cooking deepens the sauce’s flavor.
6. Give it a final stir before serving. The sauce should be thick and aromatic.

Outcome: This sauce is velvety with a sweet garlicky punch. Try it over spaghetti or as a base for shakshuka for a twist.

Slow Cooker Roasted Red Pepper Tomato Sauce

Ready to transform your pantry staples into a vibrant, flavorful sauce with minimal effort? This slow cooker recipe does just that, melding roasted red peppers and tomatoes into a rich, versatile base.

Ingredients

• 2 cups of roasted red peppers, chopped
• a 28-oz can of whole tomatoes, crushed by hand
• a couple of garlic cloves, minced
• a splash of olive oil
• 1 tsp of sugar
• a pinch of salt
• 1/2 tsp of red pepper flakes
• a handful of fresh basil leaves, torn

Instructions

1. Heat olive oil in a pan over medium heat. Add garlic and red pepper flakes, sauté until fragrant, about 1 minute.
2. Transfer the garlic mixture to the slow cooker. Add chopped roasted red peppers and crushed tomatoes.
3. Stir in sugar and a pinch of salt. Cover and cook on LOW for 6 hours.
4. After cooking, blend the sauce until smooth using an immersion blender. Tip: For a chunkier texture, blend only half the sauce.
5. Stir in torn basil leaves. Cook uncovered on HIGH for another 30 minutes to thicken. Tip: If the sauce is too thick, add a splash of water.
6. Let the sauce cool slightly before serving. Tip: Freeze leftovers in ice cube trays for easy future use.

Delightfully smooth with a hint of sweetness and spice, this sauce clings perfectly to pasta or serves as a robust pizza base. Try swirling it into soups for an instant flavor boost.

Slow Cooker Italian Sausage Tomato Sauce

Zesty and hearty, this sauce is a weeknight savior. Just set it and forget it.

Ingredients

• 1 lb Italian sausage, casings removed
• a couple of garlic cloves, minced
• a splash of olive oil
• 1 can (28 oz) crushed tomatoes
• a pinch of salt
• a sprinkle of red pepper flakes
• a handful of fresh basil, chopped

Instructions

1. Heat olive oil in a skillet over medium heat. Add sausage. Cook until browned, about 5 minutes.
2. Add minced garlic to the skillet. Cook for 1 minute until fragrant.
3. Transfer sausage and garlic to the slow cooker. Tip: Scrape the skillet to get all the flavorful bits.
4. Pour in crushed tomatoes. Stir to combine.
5. Season with salt and red pepper flakes. Tip: Start with a little; you can always add more later.
6. Cover and cook on low for 6 hours. Tip: Stir occasionally if you’re around.
7. Stir in fresh basil before serving.

Yummy over pasta or as a sub sauce. The basil brightens the rich, meaty flavors. Try it with a sprinkle of Parmesan.

Slow Cooker Vegan Tomato Sauce

Absolutely everyone needs a go-to tomato sauce recipe, and this slow cooker version is vegan, easy, and packed with flavor.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• a splash of olive oil
• a couple of garlic cloves, minced
• 1 medium onion, diced
• a pinch of salt
• a dash of black pepper
• 1 tsp of dried basil
• 1 tsp of dried oregano
• a sprinkle of red pepper flakes (optional)

Instructions

1. Heat a splash of olive oil in a pan over medium heat.
2. Add the diced onion and minced garlic. Cook until the onion is translucent, about 5 minutes.
3. Transfer the onion and garlic to your slow cooker.
4. Add the crushed tomatoes, salt, black pepper, dried basil, dried oregano, and red pepper flakes if using. Stir to combine.
5. Cover and cook on low for 6 hours or high for 3 hours. Stir occasionally.
6. Tip: For a smoother sauce, blend half of it after cooking.
7. Tip: If the sauce is too thin, leave the lid off for the last 30 minutes of cooking.
8. Tip: Taste and adjust seasoning before serving.

This sauce is thick, rich, and versatile. Try it over zucchini noodles or as a base for vegan lasagna.

Slow Cooker Creamy Tomato Sauce

Whip up this effortless Slow Cooker Creamy Tomato Sauce for a comforting meal any day of the week. Perfect for pasta, this sauce is a game-changer with minimal prep.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• 1 cup of heavy cream
• a splash of olive oil
• a couple of garlic cloves, minced
• 1 tsp of sugar
• salt and pepper, just enough to season
• a handful of fresh basil leaves

Instructions

1. Heat a splash of olive oil in a pan over medium heat. Tip: Warming the oil first enhances the flavor.
2. Add minced garlic and sauté for about 1 minute until fragrant. Don’t let it burn.
3. Pour in the crushed tomatoes, stir, and bring to a simmer.
4. Transfer the tomato mixture to your slow cooker.
5. Stir in the heavy cream and sugar. Tip: The sugar balances the acidity of the tomatoes.
6. Season with salt and pepper. Cover and cook on low for 4 hours. Tip: Slow cooking melds the flavors beautifully.
7. Chiffonade the basil leaves and stir them into the sauce just before serving.

Get ready for a sauce that’s luxuriously creamy with a bright tomato tang. Try it over gnocchi for a twist on the classic.

Slow Cooker Tomato Sauce with Olives and Capers

Never underestimate the power of a slow cooker to transform simple ingredients into something extraordinary. This tomato sauce, enriched with olives and capers, is a testament to that.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• a splash of olive oil
• a couple of garlic cloves, minced
• 1 small onion, finely chopped
• a handful of pitted kalamata olives
• a tablespoon of capers, drained
• a pinch of red pepper flakes
• a teaspoon of dried oregano
• salt, just enough to season

Instructions

1. Heat a splash of olive oil in a pan over medium heat. Tip: Warming the oil before adding ingredients enhances flavors.
2. Add the minced garlic and chopped onion. Cook until soft, about 5 minutes.
3. Transfer the garlic and onion to the slow cooker. Add the crushed tomatoes, olives, capers, red pepper flakes, and oregano. Stir well. Tip: For a deeper flavor, let the sauce cook on low for 8 hours.
4. Season with salt. Stir again. Tip: Always taste and adjust seasoning before serving.
5. Cover and cook on low for 6-8 hours or on high for 3-4 hours. The sauce is ready when it’s thick and the flavors are well combined.

Outstandingly rich and tangy, this sauce clings beautifully to pasta. Try it over spaghetti with a sprinkle of fresh basil for a vibrant finish.

Slow Cooker Tomato Sauce with Fresh Herbs

You’ve got a slow cooker and a craving for something homemade? This tomato sauce with fresh herbs is your answer. It’s simple, flavorful, and practically makes itself.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• a splash of olive oil
• a couple of garlic cloves, minced
• 1 small onion, finely chopped
• a handful of fresh basil, chopped
• a few sprigs of fresh oregano, leaves picked
• salt and pepper, just enough to season

Instructions

1. Heat a splash of olive oil in a pan over medium heat. Add the minced garlic and chopped onion. Cook until soft, about 5 minutes.
2. Transfer the garlic and onion to your slow cooker. Add the crushed tomatoes, fresh basil, and oregano leaves.
3. Season with salt and pepper. Stir everything together.
4. Cover and cook on low for 6 hours. Stir occasionally to prevent sticking.
5. Tip: If the sauce seems too thick, add a little water or broth to thin it out.
6. After cooking, taste and adjust seasoning if needed.
7. Tip: For a smoother sauce, blend it with an immersion blender before serving.
8. Tip: Freeze leftovers in airtight containers for up to 3 months.

Finally, this sauce is thick, rich, and packed with fresh herb flavors. Try it over pasta, as a pizza base, or even as a dip for crusty bread.

Slow Cooker Tomato Sauce with Red Wine

Here’s a no-fuss way to make a rich, flavorful tomato sauce that practically cooks itself. Perfect for those busy days when you still want something homemade.

Ingredients

• 2 cans (28 oz each) of crushed tomatoes
• A splash of red wine (about 1/2 cup)
• A couple of garlic cloves, minced
• 1 tbsp olive oil
• 1 tsp sugar
• A pinch of red pepper flakes
• Salt, just enough to season

Instructions

1. Heat olive oil in a pan over medium heat. Add minced garlic and sauté until fragrant, about 1 minute.
2. Transfer the garlic to your slow cooker. Add crushed tomatoes, red wine, sugar, red pepper flakes, and salt. Stir to combine.
3. Cover and cook on low for 6 hours. Tip: Stir occasionally to prevent sticking.
4. After cooking, taste and adjust seasoning if needed. Tip: If the sauce is too acidic, add a bit more sugar.
5. Use an immersion blender for a smoother texture, or leave it chunky. Tip: For extra richness, stir in a tablespoon of butter before serving.

Makes a thick, velvety sauce with a deep tomato flavor and a hint of wine. Try it over spaghetti or as a base for shakshuka.

Slow Cooker Tomato Sauce with Ground Beef

Kickstart your meal prep with this hearty slow cooker tomato sauce, packed with savory ground beef and rich flavors that simmer to perfection.

Ingredients

• 1 lb ground beef
• a couple of garlic cloves, minced
• 1 onion, diced
• a splash of olive oil
• 28 oz canned crushed tomatoes
• 6 oz tomato paste
• 1 tsp dried basil
• 1 tsp dried oregano
• a pinch of salt and pepper
• 1/2 cup water

Instructions

1. Heat a splash of olive oil in a skillet over medium heat. Tip: Use a wooden spoon to prevent scratching your pan.
2. Add the diced onion and minced garlic, sauté until translucent, about 3 minutes.
3. Add the ground beef, breaking it apart with your spoon, and cook until no longer pink, about 5 minutes. Tip: Drain excess fat for a lighter sauce.
4. Transfer the beef mixture to your slow cooker.
5. Stir in the crushed tomatoes, tomato paste, dried basil, dried oregano, salt, pepper, and water. Tip: For a smoother sauce, blend the tomatoes before adding.
6. Cover and cook on low for 6 hours or high for 3 hours.

Yummy and versatile, this sauce boasts a thick, rich texture with a deep tomato flavor. Serve it over spaghetti, or use it as a base for lasagna for an extra flavor kick.

Conclusion

Perfect for busy home cooks, our roundup of 14 Delicious Slow Cooker Tomato Sauce Recipes offers a variety of flavors to spice up your meals. From classic marinara to unique twists, there’s something for everyone. We’d love to hear which recipe becomes your favorite—drop us a comment below! Don’t forget to share the love by pinning this article on Pinterest for your fellow cooking enthusiasts to enjoy.