Crock Pot French Onion Meatballs are a rich, savory dish that combines juicy meatballs with caramelized onion flavor in a silky, cheesy gravy. Simmered low and slow, they’re perfect for a cozy dinner, party appetizer, or easy weeknight meal—comforting, satisfying, and full of French onion goodness.
ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
frozen or homemade meatballsfrench onion soup (canned or homemade)beef broth or stockWorcestershire saucegarlic powderonion powdercornstarch (for thickening, optional)shredded Swiss or provolone cheesefresh thyme or parsley (for garnish)French bread slices or mashed potatoes (for serving)
directions
Add meatballs to the crock pot.
Pour in French onion soup and beef broth. Stir in Worcestershire sauce, garlic powder, and onion powder.
Cover and cook on low for 4-6 hours or high for 2-3 hours, until meatballs are hot and infused with flavor.
If a thicker sauce is desired, whisk cornstarch with water and stir into the crock pot 30 minutes before serving.
Sprinkle shredded cheese over the meatballs, cover again, and let melt for 10-15 minutes.
Serve warm over mashed potatoes, pasta, or alongside toasted French bread. Garnish with fresh thyme or parsley.
Servings and timing
This recipe serves 6-8.Preparation time: 10 minutesCooking time: 4-6 hours on low or 2-3 hours on highTotal time: 4¼–6¼ hours
Variations

Use turkey or chicken meatballs for a lighter version.
Top with crispy onions or serve with garlic toast for extra crunch.
Add sautéed mushrooms or caramelized onions for more depth.
Use Gruyère cheese for a more authentic French onion flavor.
Make sliders with toasted buns for a fun party option.
storage/reheating
Store leftovers in an airtight container in the refrigerator for up to 4 days.Reheat in a saucepan or microwave until hot, adding a splash of broth if needed.Can be frozen for up to 2 months—thaw in the fridge before reheating.
FAQs
Can I use homemade meatballs?
Yes, fully cook them before adding to the crock pot.
Is the soup enough seasoning?
French onion soup is flavorful, but taste and adjust with spices or broth as needed.
Can I cook this on the stovetop?
Yes, simmer everything in a large pot over low heat for about 30-40 minutes.
Is this gluten-free?
Use gluten-free soup and meatballs to make it gluten-free.
Can I make it ahead?
Yes, prep the ingredients the night before and start cooking the next morning.
How do I make it thicker?
Use a cornstarch slurry or reduce the liquid on the stove after slow cooking.
Can I use cheese slices?
Yes, place over the top and melt before serving.
What do I serve it with?
Mashed potatoes, pasta, rice, or crusty bread all pair beautifully.
Can I double the recipe?
Yes, just use a larger crock pot and ensure the meatballs are covered in liquid.
Does it freeze well?
Yes, freeze in individual portions for easy reheating later.
Conclusion
Crock Pot French Onion Meatballs are an easy, comforting meal that blends classic French onion soup flavor with hearty meatballs and melty cheese. Whether served as a main course or a party bite, this dish delivers slow-cooked satisfaction with minimal effort and maximum flavor.
PrintCrock Pot French Onion Meatballs
- Prep Time: 10 minutes
- Cook Time: 4 hours
- Total Time: 4 hours 10 minutes
- Yield: 6 servings 1x
- Category: Main Course or Appetizer
- Method: Slow Cooker
- Cuisine: American
- Diet: Halal
Description
Crock Pot French Onion Meatballs are a savory and comforting appetizer or main dish featuring tender meatballs slow-cooked in a rich French onion-style sauce with melted cheese for a cozy, crowd-pleasing recipe.
Ingredients
- 2 lbs frozen fully cooked meatballs
- 1 packet (1 oz) French onion soup mix
- 2 cups beef broth
- 1 tablespoon Worcestershire sauce
- 1 medium onion, thinly sliced
- 1 tablespoon olive oil
- 1 cup shredded Swiss or mozzarella cheese
- 1 tablespoon cornstarch + 2 tablespoons water (optional, for thickening)
- Fresh parsley for garnish (optional)
Instructions
- In a skillet, heat olive oil over medium heat and sauté sliced onions until soft and lightly caramelized, about 8–10 minutes.
- Place frozen meatballs in the bottom of a greased crock pot.
- Add sautéed onions over the meatballs.
- In a bowl, whisk together beef broth, French onion soup mix, and Worcestershire sauce.
- Pour mixture over the meatballs and onions.
- Cover and cook on low for 4–5 hours or high for 2–3 hours, until meatballs are heated through and flavors meld.
- If a thicker sauce is desired, mix cornstarch and water, stir into the crock pot, and cook on high for an additional 10–15 minutes.
- Sprinkle cheese over the top in the last 15 minutes of cooking, cover until melted.
- Garnish with fresh parsley and serve warm.
Notes
- Serve over mashed potatoes, noodles, or crusty bread for a complete meal.
- Use homemade meatballs if preferred—just pre-cook them before adding to the crock pot.
- Add extra onions for an even richer French onion flavor.
Nutrition
- Serving Size: 1 cup
- Calories: 400
- Sugar: 4g
- Sodium: 880mg
- Fat: 24g
- Saturated Fat: 9g
- Unsaturated Fat: 13g
- Trans Fat: 0.5g
- Carbohydrates: 18g
- Fiber: 1g
- Protein: 28g
- Cholesterol: 75mg
Your email address will not be published. Required fields are marked *