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Slow Cooker Spaghetti Sauce

There’s nothing quite like coming home to the comforting aroma of Slow Cooker Spaghetti Sauce simmering away all day. This rich, hearty sauce is slow-cooked to perfection, allowing the tomatoes, herbs, garlic, onions, and ground beef to develop incredible homemade flavor. It’s one of those classic family dinners everyone looks forward to, and it’s been a My Family Dinner Ideas favorite for years.

Whether you’re serving it over a plate of spaghetti, layering it into lasagna, spooning it over ravioli, or freezing it for future meals, this homemade spaghetti sauce is the kind of recipe you’ll make again and again. The slow cooker does all the hard work, leaving you with a thick, rich, restaurant-worthy sauce that’s perfect for busy weeknights or cozy Sunday dinners.

If you’re looking for the ultimate homemade spaghetti sauce recipe, you’ve found it!

Why You’ll Love This Recipe

• Slow cooked for incredible flavor
• Thick, rich homemade sauce
• Easy Crock Pot recipe
• Perfect for meal prep
• Freezer friendly
• Great for spaghetti, lasagna, and baked pasta
• A My Family Dinner Ideas favorite

Ingredients

• 2 pounds lean ground beef
• 1 large yellow onion, diced
• 4 cloves garlic, minced
• 2 (28-ounce) cans crushed tomatoes
• 2 (15-ounce) cans tomato sauce
• 1 (6-ounce) can tomato paste
• 1 tablespoon Italian seasoning
• 2 teaspoons dried basil
• 1 teaspoon dried oregano
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon salt
• ½ teaspoon black pepper
• 1 tablespoon Worcestershire sauce
• 1 tablespoon brown sugar (optional, to balance acidity)
• 2 bay leaves

How to Make Slow Cooker Spaghetti Sauce

Step 1

In a large skillet over medium-high heat, cook the ground beef and diced onion until the beef is browned and the onion is tender.

Drain any excess grease.

Add the minced garlic and cook for another minute.

Step 2

Transfer the beef mixture to your slow cooker.

Add the crushed tomatoes, tomato sauce, tomato paste, Italian seasoning, basil, oregano, garlic powder, onion powder, salt, pepper, Worcestershire sauce, brown sugar, and bay leaves.

Stir until everything is well combined.

Step 3

Cover and cook on:

• LOW for 6 to 8 hours, or
• HIGH for 3 to 4 hours

The longer it cooks, the richer the flavor becomes.

Step 4

Remove the bay leaves before serving.

Taste and adjust the seasonings if needed.

Serve over hot cooked spaghetti with freshly grated Parmesan cheese and chopped parsley.

Tips for the Best Slow Cooker Spaghetti Sauce

• Browning the beef first creates deeper flavor.
• Let the sauce cook on LOW whenever possible.
• Add fresh basil at the end for even more flavor.
• Stir once or twice during cooking if you’re home.
• Freeze leftovers for easy future dinners.

Delicious Ways to Serve It

This homemade spaghetti sauce is delicious with:

• Spaghetti
• Fettuccine
• Penne
• Rigatoni
• Cheese Ravioli
• Stuffed Shells
• Lasagna
• Baked Ziti
• Meatball Subs
• Garlic Bread

Variations

• Add sliced mushrooms.
• Stir in diced green peppers.
• Use Italian sausage instead of ground beef.
• Add crushed red pepper flakes for a spicy kick.
• Mix in shredded carrots for natural sweetness.
• Add a splash of red wine for extra richness.

Storage

Store leftovers in an airtight container in the refrigerator for up to 4 days.

Can I Freeze Spaghetti Sauce?

Absolutely!

Allow the sauce to cool completely before transferring it to freezer-safe containers or freezer bags.

Freeze for up to 3 months.

Thaw overnight in the refrigerator and reheat on the stovetop.

Frequently Asked Questions

Can I cook spaghetti sauce all day?

Yes! Slow cooking allows all of the flavors to blend together beautifully and creates an incredibly rich homemade sauce.

Can I make this without meat?

Absolutely. Simply omit the ground beef for a delicious homemade marinara sauce.

Can I double the recipe?

Yes! A large slow cooker can easily handle a double batch, making this recipe perfect for meal prep or feeding a crowd.

More Slow Cooker Recipes You’ll Love

If you love easy Crock Pot dinners, be sure to try my Crock Pot Angel Chicken, Mississippi Kielbasa, Chicken Enchilada Soup, White Chicken Chili, Slow Cooker Swamp Potatoes, Honey BBQ Kielbasa Pasta, BBQ Kielbasa, and All-Day Crock Pot Recipes for even more comforting family meals.

Jennie’s Thoughts

A pot of homemade spaghetti sauce simmering all day is one of life’s simple comforts. This Slow Cooker Spaghetti Sauce is rich, hearty, and packed with homemade flavor that only gets better the longer it cooks. It’s a recipe that’s perfect for busy families, Sunday dinners, freezer meal prep, and sharing around the table with the people you love.

At My Family Dinner Ideas, this has become one of our favorite comfort food recipes, and I hope it becomes one of yours, too.