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When it comes to cozy family dinners, nothing beats a big pot of homemade meatballs simmered in marinara sauce. This easy slow cooker meatballs and sauce recipe takes all the work out of it — no browning or precooking required. Just mix, roll, and let your crock pot do the rest.

I love this recipe because it’s the perfect balance of healthy and comforting. Using lean ground beef (or turkey) keeps the meatballs light enough for a Weight Watchers friendly dinner, while the slow simmer infuses them with rich, Italian-inspired flavor.

Serve them over whole wheat spaghetti, spaghetti squash or skinny zucchini noodles (aka “zoodles”) for a lighter twist. Or tuck them into rolls with melted cheese for easy homemade meatball subs. However you serve them, they’re always a hit.

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close up of spaghetti & meatballs with marinara sauce
Spaghetti with Meatballs & Sauce

Why You’ll Love This Recipe

  • Hands-off cooking: The slow cooker does all the work, so you can come home to tender, flavorful meatballs without standing over the stove.
  • Healthy comfort food: Made with lean ground beef or turkey, this is a Weight Watchers friendly meatball recipe that doesn’t sacrifice flavor.
  • Family-friendly favorite: Kids and adults alike love these juicy meatballs simmered in marinara sauce.
  • Versatile serving options: Enjoy them over pasta, zucchini noodles, spaghetti squash, or as cheesy meatball subs.
  • Make-ahead friendly: Leftovers reheat beautifully for quick lunches or another easy dinner.

Ingredients

  • Lean ground beef (93% or leaner): Using lean beef keeps the meatballs juicy without being greasy. You can also swap in ground turkey or chicken for a lighter option.
  • Egg: Acts as a binder to hold the meatballs together and gives them structure.
  • Breadcrumbs: Help the meatballs stay tender. Whole wheat breadcrumbs or panko both work well.
  • Parmesan cheese: Adds a savory, nutty flavor and a touch of richness to the meatballs.
  • Garlic powder & onion powder: Simple pantry spices that bring classic Italian flavor.
  • Italian seasoning, salt, and black pepper: Round out the seasoning and give the meatballs that familiar comfort food taste.
  • Jarred marinara sauce: Use your favorite store-bought brand or homemade. Choose one without added sugar to keep this Weight Watchers slow cooker recipe lighter.

Step by Step Instructions

  1. Mix the meatball ingredients: In a large mixing bowl (affiliate link), combine the ground beef, egg, breadcrumbs, Parmesan, garlic powder, onion powder, Italian seasoning, salt, and pepper. Stir gently until everything is evenly mixed — don’t overwork the meat or the meatballs can become tough.
Ground beef meatball mixture in stainless mixing bowl.
  1. Form the meatballs: Roll the mixture into 1-inch balls (about the size of a golf ball). Place them directly into the bottom of your slow cooker.
Uncooked lean ground beef meatballs on parchment paper.
  1. Add the sauce: Pour the marinara sauce evenly over the meatballs, making sure they’re covered.
  2. Cook: Cover and cook on LOW for 6–7 hours or HIGH for 3–4 hours, until the meatballs are fully cooked through (internal temperature should reach 165°F).
  3. Serve: Gently stir the sauce and meatballs together before serving. Enjoy over pasta, veggie noodles, or in a sub roll with melted cheese.

Recipe Notes and Tips

  • Meat options: While I usually make these with lean ground beef, you can also use ground turkey, chicken, or even a mix of turkey and Italian turkey sausage for lighter flavor with a little extra spice.
  • Sauce choices: A simple jarred marinara works great, but feel free to experiment with tomato basil, roasted garlic, or even arrabbiata for a spicier kick. Homemade marinara or slow cooker spaghetti sauce also work well. For a chunkier sauce, use diced tomatoes instead of crushed.
  • Extra flavor: If you like, add a pinch of red pepper flakes or a handful of chopped fresh parsley for a fresher finish.
  • Browning option: You don’t need to brown these meatballs before adding them to the crock pot, but if you prefer a firmer texture and a little caramelization, sear them in a skillet first.
  • Make-ahead tip: Meatballs can be mixed and shaped the night before, then stored covered in the fridge until you’re ready to cook.

WW Points and Nutritional Information

According to my calculations each serving of meatballs has about 408 calories.

To see the WW Points for this recipe, track it in the WW App!
(You must be logged into WW on a smartphone or tablet.)

Old WW Points: 10 PointsPlus

(Keep in mind that nutrition values will vary depending on the exact ingredients and brands you use.)

close up of spaghetti & meatballs with marinara sauce
Spaghetti with Meatballs and Sauce

Serving Suggestions

  • Healthy pasta dinner: Serve these slow cooker meatballs and sauce over whole wheat spaghetti or higher protein pasta for a lightened-up Italian classic that’s family-friendly and filling.
  • Low carb option: Pair with zucchini noodles (zoodles) or roasted spaghetti squash for a Weight Watchers friendly low carb meal. (See my Easy Crock Pot Baked Spaghetti Squash for a simple method.)
  • Meatball subs: Pile meatballs into toasted rolls, top with roasted bell peppers, and finish with melted mozzarella for hearty crock pot meatball subs.
  • Balanced plate: Add a side of simple green salad or roasted vegetables for extra fiber and nutrition. (I often pair these with my Italian arugula salad, a longtime family favorite.)
  • Meal prep friendly: These meatballs reheat beautifully, making them perfect for WW meal prep lunches or easy weeknight dinners straight from the freezer.

Here’s another favorite low calorie meatball recipe that cooks quickly thanks to the InstantPot – Instant Pot Italian Meatballs

Easy Italian Instant Pot Meatballs topped with fresh basil leaves in white serving dish.
Instant Pot Italian Meatballs

If you’ve made these Crock Pot Meatballs, please give the recipe a star rating below and leave a comment letting me know how you liked it. And stay in touch on Pinterest, Facebook, Instagram and Twitter for the latest updates.

Easy Slow Cooker Meatballs and Sauce
4.45 from 9 votes

Easy Slow Cooker Meatballs and Sauce Recipe

Slow cooker meatballs and sauce are so simple and delicious, a family favorite any time of year.
Prep: 30 minutes
Cook: 6 hours
Total: 6 hours 30 minutes
Servings: 6
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Ingredients 

  • 1-1/2 pounds 93% lean ground beef
  • 1 large egg
  • 3/4 cup Italian style bread crumbs
  • 1/4 cup grated Parmesan cheese
  • 1/4 cup chopped fresh parsley
  • 1/4 cup finely chopped onion
  • 1 teaspoon garlic powder
  • 1 jar (28 ounces) marinara sauce (I like Classico and Bertolli)
  • 1 can (28 ounces) crushed tomatoes in puree
  • 2 cloves garlic, minced
  • 1 tablespoon sugar
  • 1 tablespoon Italian seasoning
  • 1 bay leaf, optional

Instructions 

  • Ideal Slow Cooker Size: 4 to 6-Quart (Your slow cooker should be between 1/2 and 3/4 full.)
  • In a large bowl, gently mix together the beef, egg, bread crumbs, grated Parmesan, parsley, onion and garlic powder until well combined.
  • Shape the mixture into 18 golf-ball sized meatballs.
  • Place meatballs in the slow cooker.
  • Stir together the marinara sauce, crushed tomatoes, garlic, Italian seasoning and bay leaf, if using. Pour over the meatballs.
  • Cover and cook on LOW for 6 to 8 hours, until the meatballs are cooked through.
  • If you used a bay leaf, fish it out and discard before serving.

Notes

Serving size: 3 meatballs + 1 cup sauce
WW Points: 4
Check the WW Points for this recipe and track it in the WW app.
(Must be logged into WW on a smartphone or tablet.)
10 PointsPlus (Old plan)
For a chunkier sauce, use diced tomatoes instead of crushed.

Nutrition

Serving: 3meatballs + 1 cup sauce, Calories: 408kcal, Carbohydrates: 33g, Protein: 32g, Fat: 16g, Saturated Fat: 6g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 6g, Trans Fat: 1g, Cholesterol: 108mg, Sodium: 1164mg, Potassium: 1242mg, Fiber: 5g, Sugar: 14g, Vitamin A: 1192IU, Vitamin C: 26mg, Calcium: 166mg, Iron: 7mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Main Course
Cuisine: Italian
Tried this recipe?Mention @simplenourishedliving or tag #simplenourishedliving!

More Easy Meatball Recipes for WW

If you loved this easy slow cooker meatballs and sauce recipe, you’ll want to try these other Weight Watchers friendly ideas for meatballs:

About Martha McKinnon

Weight Watchers Lifetime Member, Yoga Practitioner and Blogger who loves to share her passion for trying to create a happy, healthy, balanced life in what often feels like an overwhelming out of control world.

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4.45 from 9 votes (7 ratings without comment)

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16 Comments

  1. I will never understand why people find themselves in saying something about the recipe when they change things around. Either you like it or you don’t. Once you add anything extra it is no longer the recipe you are looking at.