This crockpot spaghetti sauce with ground beef simmers low for hours into a thick, meaty pasta sauce. It is the best homemade spaghetti sauce for a busy weeknight or a cozy Sunday. I come home to the smell and the family comes running.
The secret to a great crock pot spaghetti sauce is doing real prep steps upfront. Sautéed onions, browned beef, and toasted tomato paste build the deepest flavor.
Crockpot Spaghetti Sauce Ingredients
Here is what goes into my favorite slow cooker spaghetti sauce recipe.
- Olive oil: For sautéing the onions and browning the beef in the skillet.
- Yellow onion: Chopped fine so it melts into the sauce over the long simmer.
- Garlic: I use lots of fresh cloves for deep, savory Italian flavor.
- Ground beef: Regular ground beef gives the richest flavor. Lean ground beef, ground turkey, or Italian sausage all work as swaps.
- Tomato paste: The secret ingredient. It gets toasted in the skillet for rich, umami depth.
- Canned tomatoes: The main liquid base for the sauce.
- Eggplant: Optional but good. It disappears into the sauce and bulks it up nicely.
- Italian herbs: Dried oregano and dried basil. Italian seasoning blend works too.
- Salt and pepper: Season in layers as you go for the best result.
- Brown sugar: Just a teaspoon to balance the acidity of the canned tomatoes.
- Red pepper flakes: Optional. A small pinch adds gentle warmth.
Full recipe quantities listed in the recipe card at the bottom of the article.
If you love Italian comfort food, try my classic stovetop spaghetti recipe with ground beef or my spaghetti and meatballs next.
Variations and Substitutions
A few simple ways to switch up this easy crockpot spaghetti sauce.
- Italian sausage: Swap half the ground beef for Italian sausage for bolder, herbier flavor.
- Ground turkey: Use lean ground turkey for a lighter spaghetti sauce recipe.
- Red wine: Splash in half a cup of red wine with the tomatoes for extra depth.
- Meatballs: Drop raw meatballs into the sauce for the last 2 hours. Try my best meatball recipe.
- Meatless: Skip the meat and add more eggplant, mushrooms, or lentils for body.
- Veggie boost: Stir in grated carrots or zucchini with the onions.
- From a jar: Use your favorite jar sauce and still brown the beef plus toast the tomato paste.
Grab These Tools
Nothing fancy, just a few basics to make this crock pot spaghetti sauce.
- Slow cooker: A 6-quart crock pot is ideal for a full batch.
- Large skillet: For browning the beef and toasting the tomato paste on the stove.
- Wooden spoon: For breaking up the ground beef as it browns.
- Sharp knife: For chopping the onion, garlic, and eggplant.
- Measuring spoons: For getting the seasoning right every time.
For more slow cooker dinners, check out my crockpot lasagna and my roundup of easy crock pot recipes. Both are family staples around here.
How to Make Crockpot Spaghetti Sauce: An Easy Guide
This easy slow cooker spaghetti sauce comes together in a few simple steps. The upfront prep on the stove matters most for a rich, tasty sauce.
Sauté the Onion and Garlic
Heat olive oil in a large skillet over medium heat. Add the chopped onion and cook until soft and golden. Stir in the minced garlic for the last minute of cooking.
Brown the Ground Beef
Add the ground beef to the skillet with a pinch of salt. Break it up with a wooden spoon as it cooks. Brown it well for deep flavor from the Maillard reaction.
Toast the Tomato Paste
Push the meat to one side of the skillet. Add the tomato paste and cook until it darkens a shade. Toasting caramelizes the natural sugars and builds rich, umami flavor.
Transfer to the Slow Cooker
Scrape everything from the skillet into your crock pot. Add crushed tomatoes, diced eggplant, dried Italian herbs, salt, pepper, and brown sugar. Stir well to combine the flavors evenly.
Slow Cook Low and Slow
Cover and cook on low for 6 to 8 hours. Taste and adjust the salt near the end of cooking. The sauce thickens and the flavors deepen as it simmers.
5 Common Mistakes When Making Crockpot Spaghetti Sauce
Here are the most frequent mix-ups to avoid when making crockpot spaghetti sauce:
- Skipping the browning step: Raw ground beef just simmers gray in a slow cooker. Brown it first in a hot skillet for the best flavor.
- Not toasting the tomato paste: Raw tomato paste tastes acidic and tinny. Toasting turns it into a flavor powerhouse for your sauce.
- Adding too much liquid: Crockpots trap moisture, so a watery sauce stays watery. Skip any extra water or broth.
- Seasoning only at the start: Flavors dull over long hours in the slow cooker. Taste and adjust salt and herbs near the end.
- Using the wrong pot size: A half-empty slow cooker can overcook food. Fill yours at least halfway for best results.
Make Ahead and Storage
Make a big batch of this spaghetti sauce recipe and keep leftovers ready for easy suppers.
Storing Leftovers
- Fridge: Store cooled sauce in an airtight container for up to 4 days.
- Portions: Divide into smaller containers for fast weeknight meals during the week.
- Flavor: The sauce tastes even better on day 2 after the herbs settle.
Freezing
- Freezer: Freeze in airtight containers or heavy-duty freezer bags.
- Shelf life: Keeps well for up to 3 months in the freezer.
- Portions: Freeze in meal-sized portions for easy weeknight suppers later.
Reheating Crockpot Spaghetti Sauce
- Stovetop: Warm gently in a pot over medium heat, stirring often.
- Microwave: Reheat in 1-minute bursts, stirring between each one.
- Thawing: Thaw overnight in the fridge before reheating for the best texture.
How to Serve This Crockpot Spaghetti Sauce Recipe
This sauce is classic over pasta, but I love finding new ways to use it too. See my full guide to good sides for pasta for more pairing ideas.
Spaghetti Sauce Toppings
- Parmesan: Freshly grated over hot pasta is a must.
- Fresh basil: Torn leaves add a bright herby lift right at the end.
- Red pepper flakes: A small pinch for gentle heat at the table.
- Ricotta: Dollops of ricotta turns dinner into a stovetop lasagna.
Side Dishes for Crockpot Spaghetti
- Garlic bread: My homemade garlic bread is perfect for sopping up every bit of sauce.
- Green salad: A crisp side salad balances the rich meat sauce.
- Lazy lasagna: Use leftover sauce in my 3-ingredient lazy lasagna for a fast bake.
How to Make the Best Crockpot Spaghetti Sauce: Final Notes + Secrets
Here are the food science tips that make this the best crock pot spaghetti sauce ever.
- Brown deeply: The Maillard reaction creates hundreds of new flavor compounds in browned meat.
- Toast the paste: Direct heat caramelizes tomato paste’s sugars and concentrates the umami.
- Season in layers: Salt added at each step pulls more flavor than dumping it all at the end.
- Simmer on low: Low heat lets collagen in the beef break down slowly, making the meat tender.
- Rest and reheat: Day 2 sauce tastes better because the flavors meld overnight.
- Acid balance: A teaspoon of brown sugar counteracts the sharp acidity of canned tomatoes.
- Check ground beef freshness: Make sure your beef is fresh. See how long ground beef lasts in the fridge.
FAQs About Crockpot Spaghetti Sauce
Just skimming through? Here are some quick answers to the commonly-asked questions.
Yes, jar sauce works great as a shortcut. Brown the ground beef, sauté the onions, and toast some tomato paste first. Add a jar of marinara and simmer in your slow cooker for 4 hours. You will taste the difference slow cooking makes.
Cooking spaghetti noodles in the slow cooker does not work well. The pasta overcooks and goes mushy in all that liquid. I always cook my spaghetti on the stovetop in well-salted boiling water, then pour the hot sauce right over top.
Crockpot spaghetti sauce keeps for up to 4 days in the fridge. Store it in an airtight container once fully cooled. For longer storage, freeze the sauce in meal-sized portions for up to 3 months. Thaw overnight before reheating.
Yes, you can use fresh tomatoes in this recipe. Use about 3 pounds of ripe, in-season tomatoes, blanched and peeled first. Canned crushed tomatoes still give the most consistent flavor and thickness for a rich homemade spaghetti sauce all year round.
Yes, meatballs are a great addition to this sauce. Drop raw meatballs into the crock pot for the last 2 hours of cooking. Or brown them first for a firmer texture. My best meatball recipe is the juiciest option to try.
Yes, red wine deepens the flavor of this spaghetti sauce beautifully. Add half a cup after toasting the tomato paste and let it bubble down for a minute. Then transfer everything to the crock pot and slow cook as normal.
Yes, both work great in this slow cooker spaghetti sauce. Ground turkey makes a leaner meat sauce with a milder flavor. Italian sausage adds herby, peppery depth and works especially well when mixed half-and-half with regular ground beef.
Yes, this easy crockpot spaghetti sauce is very kid-friendly. The long, low simmer mellows the tomatoes and the meat turns very tender. The optional eggplant completely melts into the sauce so picky eaters never notice the hidden vegetables.
Other Slow Cooker Recipes You’ll Love
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- Crockpot Vegetable Tortellini Soup
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- Slow Cooker Pork Loin
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- Crockpot Baked Oatmeal
- 19 Easy Crock Pot Recipes
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Crockpot Spaghetti Recipe with Ground Beef
Ingredients
- ¼ cup olive oil
- 1 large onion finely chopped
- 2-3 tsp kosher salt divided use
- 4 cloves garlic
- 1 lb ground beef
- 1 6-oz can tomato paste
- 1 finely-diced medium eggplant optional
- 1 28-oz can unsalted crushed or diced tomatoes
Instructions
- Heat oil on sear setting in crockpot and add onion plus 1 tsp of salt. Cook until onion starts to soften, stir in garlic. Cook 2 minutes more until garlic smells fragrant.
- Add beef, breaking it up into chunks with a spoon, and season with another 1/2 tsp of salt. Cook until well browned (this step can take a while, you can skip it if short on time, but it does add a lot of flavour).
- Stir in tomato paste to evenly coat everything and cook until it the paste turns a shade darker and smells toasty, about 5 minutes. Stir in eggplant (if using), canned tomatoes and salt (if using eggplant, add 1 1/2 tsp more salt, if skipping it, add only 1/2 tsp).
- Close crockpot lid and cook on high setting for 4 hours or on low setting for 6 hours (longer cooking is perfectly fine if you’ve got more time!).
- Taste sauce and add more salt by small pinches as needed until it tastes bright and flavourful.
Notes
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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