Slow Cooker French Onion Meatballs


Experience the essence of French cuisine with a modern twist by diving into the rich flavors of Slow Cooker French Onion Meatballs. This delightful dish combines the savory taste of French onion soup with the convenience of slow cooker cooking, resulting in tender meatballs bathed in a luscious onion-infused sauce. Whether you’re hosting a dinner party or seeking a cozy weeknight meal, this recipe is sure to impress with its simplicity and depth of flavor.

Why Slow Cooker French Onion Meatballs?

  1. Effortless Cooking: Utilizing a slow cooker means minimal hands-on time, allowing you to set it and forget it while the flavors meld and intensify.
  2. Versatility: Serve these meatballs as a hearty appetizer, over creamy mashed potatoes, or atop a bed of buttery noodles for a complete meal.
  3. Crowd Pleaser: With its irresistible aroma and comforting taste, this dish is guaranteed to be a hit with family and friends alike.


  • 1 pound ground beef
  • 1/2 cup breadcrumbs
  • 1/4 cup grated Parmesan cheese
  • 1 egg
  • 1 teaspoon garlic powder
  • Salt and pepper to taste
  • 2 tablespoons olive oil
  • 2 large onions, thinly sliced
  • 2 cloves garlic, minced
  • 1 teaspoon dried thyme
  • 1/2 cup beef broth
  • 1 tablespoon Worcestershire sauce
  • 1/4 cup dry white wine (optional)
  • Fresh parsley, chopped (for garnish)


  1. Prepare the Meatballs: In a large bowl, combine ground beef, breadcrumbs, Parmesan cheese, egg, garlic powder, salt, and pepper. Mix until well combined, then shape into meatballs, approximately 1 inch in diameter.
  2. Brown the Meatballs: Heat olive oil in a skillet over medium heat. Brown the meatballs on all sides, working in batches if necessary. Transfer the browned meatballs to the slow cooker.
  3. Saute the Onions: In the same skillet, add sliced onions and cook until caramelized, about 10 minutes. Add minced garlic and dried thyme, cooking for an additional minute.
  4. Combine Ingredients: Transfer the caramelized onions and garlic mixture to the slow cooker with the meatballs. Pour in beef broth, Worcestershire sauce, and dry white wine (if using). Stir gently to combine.
  5. Slow Cook: Cover and cook on low for 4-6 hours, or until the meatballs are cooked through and the flavors have melded together.
  6. Serve: Once cooked, sprinkle with chopped fresh parsley for a burst of color and flavor. Serve hot and enjoy the savory goodness of Slow Cooker French Onion Meatballs.

Serving and Storage Tips:

Serving tips:

  1. Appetizer Delight: Serve Slow Cooker French Onion Meatballs as a delectable appetizer at your next gathering. Arrange toothpicks alongside the meatballs for easy serving.
  2. Main Course Magnificence: Transform these meatballs into a satisfying main course by pairing them with creamy mashed potatoes, buttery noodles, or a crisp green salad.
  3. Garnish with Freshness: Before serving, sprinkle chopped fresh parsley over the meatballs for a pop of color and a hint of freshness.

Storage Tips:

  1. Refrigeration: Allow any leftover meatballs to cool completely before transferring them to an airtight container. Refrigerate for up to 3-4 days.
  2. Freezing: To freeze, arrange cooled meatballs in a single layer on a baking sheet lined with parchment paper. Once frozen, transfer them to a freezer-safe bag or container. Frozen meatballs can be stored for up to 2-3 months.
  3. Reheating: Reheat refrigerated or frozen meatballs in the microwave, oven, or on the stovetop until heated through. If reheating from frozen, allow extra time for thorough heating.
  4. Sauce Preservation: Store any leftover sauce separately in a sealed container in the refrigerator for up to 3-4 days. Reheat the sauce along with the meatballs for serving.
  5. Meal Prep: Consider doubling the recipe and freezing half for future meals. This makes for a convenient option for busy weeknights or last-minute entertaining.


1. Can I use ground turkey instead of ground beef for this recipe? Yes, you can substitute ground turkey for ground beef if you prefer a lighter option. Just be aware that the flavor and texture may vary slightly.

2. Can I make these meatballs ahead of time and freeze them before cooking? Absolutely! You can shape the meatballs and freeze them on a baking sheet. Once frozen, transfer them to a freezer-safe bag or container. When ready to cook, simply thaw them in the refrigerator overnight and follow the cooking instructions as usual.

3. Can I omit the wine from the recipe? Yes, you can omit the dry white wine from the recipe if you prefer. It adds a depth of flavor, but the dish will still be delicious without it.

4. Can I use fresh herbs instead of dried thyme? Yes, you can use fresh thyme instead of dried. Just keep in mind that the flavor intensity may differ, so you may need to adjust the amount to taste.

5. Can I use store-bought frozen meatballs instead of making them from scratch? While homemade meatballs offer the best flavor and texture, you can certainly use store-bought frozen meatballs for convenience. Just ensure they are fully cooked before adding them to the slow cooker.

6. How can I make this recipe vegetarian or vegan? To make a vegetarian version, you can use plant-based meatballs and vegetable broth instead of beef broth. For a vegan option, ensure the breadcrumbs and Parmesan cheese are vegan-friendly.

7. Can I cook this recipe on high heat instead of low? While cooking on low heat allows the flavors to develop more fully, you can cook the meatballs on high heat for a shorter duration if needed. Adjust the cooking time accordingly, and check for doneness periodically.

8. Can I double the recipe for a larger crowd? Absolutely! This recipe can be easily doubled to accommodate a larger group. Simply adjust the ingredient quantities accordingly and use a larger slow cooker if necessary.

9. Can I use beef stock instead of beef broth? Yes, beef stock can be used as a substitute for beef broth in this recipe. Just be mindful of the salt content, as stock may be saltier than broth.

10. How do I know when the meatballs are cooked through? The meatballs are cooked through when they reach an internal temperature of 160°F (71°C) for ground beef or 165°F (74°C) for ground turkey. Additionally, they should no longer be pink in the center when cut open.

11.Can I use a different type of meat for the meatballs? Certainly! You can use a combination of ground beef and ground pork for added flavor, or even ground chicken for a lighter option.

12.Can I add a thickening agent to the sauce if it’s too thin? If you find the sauce too thin, you can mix a tablespoon of cornstarch with a little water and stir it into the slow cooker during the last 30 minutes of cooking to thicken the sauce.

13.Can I add a kick of spice to the meatballs? Absolutely! You can add a pinch of red pepper flakes or a dash of hot sauce to the meatball mixture for a spicy twist.

14.Can I serve the meatballs over something other than noodles or rice? Yes, you can serve the meatballs over mashed potatoes, quinoa, or even on a bed of sautéed spinach for a different presentation and flavor combination.


Elevate your culinary repertoire with the irresistible allure of Slow Cooker French Onion Meatballs. This recipe not only satisfies cravings for comfort food but also simplifies mealtime preparation, leaving you with more time to savor the moments shared around the table. Dive into a bowl of tender meatballs enveloped in a luscious onion-infused sauce, and let the flavors transport you to the heart of French cuisine.

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