French Onion Meatballs

Imagine the rich, savory flavor of French onion soup—deeply caramelized onions, melted cheese, and a robust broth—now picture all of that deliciousness packed into bite-sized, juicy meatballs. French Onion Meatballs take everything you love about the classic soup and transform it into an easy-to-make, hearty dish that works perfectly as a main course, appetizer, or party snack. These meatballs are bursting with flavor, thanks to the combination of seasoned beef, caramelized onions, and a melty cheese topping.

Whether you’re looking for a cozy family dinner or a dish to impress your guests at your next gathering, French Onion Meatballs will deliver. The best part? They come together in about an hour and are super customizable, so you can tweak the recipe to suit your taste preferences or dietary needs. Serve these meatballs over mashed potatoes, noodles, or crusty bread to soak up the rich broth, and you’ll have a comforting meal that’s perfect for any occasion.

Why You’ll Love This Recipe

  1. All the Flavor of French Onion Soup: These meatballs capture the rich, savory taste of French onion soup, with caramelized onions and melted cheese in every bite.
  2. Juicy, Tender Meatballs: The meatballs are baked to perfection and simmered in a flavorful broth, keeping them juicy and tender.
  3. Perfect for Meal Prep: French Onion Meatballs reheat beautifully, making them ideal for meal prep or leftovers.
  4. Family-Friendly: Even picky eaters will love these cheesy, beefy meatballs, making them a great family dinner option.
  5. Versatile: You can serve these meatballs as an appetizer, a main course, or even over pasta for a filling meal.

Preparation Time and Servings

  • Prep time: 20 minutes
  • Cook time: 40 minutes
  • Total time: 1 hour
  • Yield: 6 servings (about 18-20 meatballs)
  • Serving Size: 3-4 meatballs

Nutritional Information (per serving)

  • Calories: 450 kcal
  • Carbs: 15g
  • Fat: 30g
  • Protein: 32g
  • Fiber: 2g

(Nutritional values are approximate and will vary depending on the specific ingredients used.)

Ingredients

For the Meatballs:

  • 1 ½ pounds ground beef (80/20 or 85/15 works best)
  • ½ cup breadcrumbs (use gluten-free breadcrumbs if needed)
  • 1 large egg, lightly beaten
  • ½ cup grated Parmesan cheese
  • 2 cloves garlic, minced
  • 1 tablespoon Worcestershire sauce
  • 1 tablespoon Dijon mustard
  • 1 teaspoon dried thyme
  • 1 teaspoon onion powder
  • Salt and pepper, to taste

For the French Onion Sauce:

  • 2 large onions, thinly sliced
  • 3 tablespoons butter
  • 2 cloves garlic, minced
  • 1 tablespoon flour (or gluten-free flour)
  • 2 cups beef broth
  • 1 tablespoon Worcestershire sauce
  • ½ teaspoon dried thyme
  • Salt and pepper, to taste
  • 1 cup shredded Gruyère or mozzarella cheese

For Garnish:

  • Chopped fresh parsley
  • Crusty bread or mashed potatoes (for serving)

Step-by-Step Instructions

Step 1: Prepare the Meatballs

1. Preheat the Oven:

Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper or lightly grease it.

2. Mix the Meatball Ingredients:

In a large mixing bowl, combine the ground beef, breadcrumbs, egg, grated Parmesan, minced garlic, Worcestershire sauce, Dijon mustard, thyme, onion powder, and salt and pepper. Mix everything together gently using your hands or a large spoon, making sure not to overmix, as this can make the meatballs tough.

3. Shape the Meatballs:

Using your hands, shape the meat mixture into 1 ½-inch meatballs, about the size of a golf ball. You should get about 18-20 meatballs from this mixture. Place the meatballs on the prepared baking sheet, making sure they’re spaced evenly apart.

4. Bake the Meatballs:

Bake the meatballs in the preheated oven for 15-18 minutes, or until they’re browned on the outside and cooked through. You don’t have to worry about them being completely done at this point since they’ll continue cooking in the sauce later.

Step 2: Caramelize the Onions

1. Slice the Onions:

While the meatballs are baking, slice the onions thinly. You want the slices to be uniform in thickness so they cook evenly.

2. Caramelize the Onions:

In a large skillet, melt the butter over medium heat. Add the sliced onions and stir to coat them in the butter. Cook the onions over medium heat, stirring occasionally, for about 20-25 minutes, or until they are soft, golden brown, and caramelized.

3. Add Garlic and Seasonings:

Once the onions are caramelized, stir in the minced garlic and cook for another 1-2 minutes until fragrant. Sprinkle the onions with the flour and stir to coat the onions evenly. This will help thicken the sauce later.

Step 3: Make the French Onion Sauce

1. Add the Broth:

Slowly pour in the beef broth, stirring constantly to avoid lumps from the flour. Add the Worcestershire sauce, thyme, salt, and pepper. Stir everything together and bring the mixture to a simmer.

2. Simmer the Sauce:

Let the sauce simmer for 5-7 minutes until it thickens slightly. Taste and adjust the seasoning as needed. If the sauce becomes too thick, you can add a splash of water or more broth to reach your desired consistency.

Step 4: Combine the Meatballs and Sauce

1. Add the Meatballs to the Sauce:

Once the meatballs are done baking, carefully transfer them into the skillet with the French onion sauce. Spoon some of the sauce over the meatballs to coat them evenly.

2. Top with Cheese:

Sprinkle the shredded Gruyère or mozzarella cheese over the meatballs and sauce. Place the skillet under the broiler for 2-3 minutes, or until the cheese is melted and bubbly.

Step 5: Garnish and Serve

Once the cheese is melted and golden, remove the skillet from the oven. Garnish with chopped parsley and serve the meatballs hot with crusty bread, mashed potatoes, or over a bed of buttery noodles.

How to Serve French Onion Meatballs

These savory French Onion Meatballs are incredibly versatile and can be served in a variety of ways. Here are a few ideas to get you started:

  • Over Mashed Potatoes: The rich, savory sauce from the meatballs pairs perfectly with creamy mashed potatoes. The potatoes soak up all the delicious flavors, making this a hearty and satisfying meal.
  • With Crusty Bread: Serve the meatballs with slices of toasted baguette or French bread for dipping into the flavorful broth. It’s like eating French onion soup in meatball form!
  • On Top of Noodles: For a complete meal, serve the meatballs over egg noodles or any pasta of your choice. The noodles will absorb the sauce and create a deliciously comforting dish.
  • As a Party Appetizer: These meatballs are also perfect for parties. Simply serve them on a platter with small forks or toothpicks, and let your guests enjoy them as finger food.

Additional Tips for Success

  1. Caramelize the Onions Slowly: Don’t rush the process of caramelizing the onions. Cooking them slowly over medium heat allows them to develop that deep, sweet flavor that’s key to this dish.
  2. Don’t Overmix the Meatballs: When mixing the meatball ingredients, be careful not to overwork the mixture, as this can make the meatballs dense and tough. Mix just until everything is combined.
  3. Use a Cast-Iron Skillet: If you have one, use a cast-iron skillet for this recipe. It retains heat well and allows you to transfer the dish from stovetop to oven seamlessly.
  4. Customize the Cheese: While Gruyère is traditional for French onion soup, you can also use Swiss, mozzarella, or even a sharp cheddar for a different flavor profile.
  5. Make Ahead: You can prepare the meatballs and caramelize the onions ahead of time. Store them separately in the fridge, then combine them with the sauce and bake when you’re ready to serve.

Recipe Variations

1. Chicken French Onion Meatballs:

Swap out the ground beef for ground chicken or turkey to make a lighter version of these meatballs. The flavors will still be delicious, and you’ll have a leaner, healthier dish.

2. Vegetarian French Onion Meatballs:

For a vegetarian option, use plant-based ground meat or a mixture of lentils, mushrooms, and breadcrumbs to create meat-free meatballs. Substitute vegetable broth for the beef broth in the sauce.

3. French Onion Meatball Casserole:

Turn this recipe into a casserole by placing the meatballs in a baking dish, covering them with the French onion sauce, and topping it all with cheese. Bake until the cheese is bubbly and golden, and serve it straight from the dish.

4. Spicy French Onion Meatballs:

If you like a bit of heat, add some red pepper flakes or hot sauce to the meatball mixture or the French onion sauce. It adds a nice contrast to the savory sweetness of the caramelized onions.

5. Gluten-Free French Onion Meatballs:

To make this recipe gluten-free, use gluten-free breadcrumbs and gluten-free flour. Make sure all the other ingredients, like the Worcestershire sauce, are also certified gluten-free.

Freezing and Storage

Storing Leftovers:

Store any leftover French Onion Meatballs in an airtight container in the refrigerator for up to 3 days. To reheat, warm them gently in a skillet over medium heat or in the microwave.

Freezing Instructions:

You can freeze the cooked meatballs and sauce for up to 3 months. To freeze, let the dish cool completely, then transfer the meatballs and sauce to a freezer-safe container. When you’re ready to eat, thaw the meatballs in the refrigerator overnight and reheat them in a skillet or oven.

Make-Ahead Tip:

To save time, you can prepare the meatballs and caramelize the onions up to 1 day in advance. Store them separately in the refrigerator, then combine them with the sauce and bake when you’re ready to serve.

Special Equipment

  • Skillet: For caramelizing the onions and simmering the sauce.
  • Baking Sheet: For baking the meatballs.
  • Broiler: To melt the cheese and create a golden, bubbly top.
  • Sharp Knife: For slicing the onions thinly and evenly.

Frequently Asked Questions

1. Can I use ground turkey instead of beef?

Yes! Ground turkey works just as well in this recipe. You may want to add an extra tablespoon of olive oil to the meat mixture to keep the turkey meatballs juicy.

2. Can I make this recipe dairy-free?

To make this recipe dairy-free, use dairy-free cheese and substitute olive oil for the butter when caramelizing the onions.

3. Can I use store-bought meatballs?

Absolutely! If you’re short on time, you can use store-bought meatballs and focus on making the French onion sauce from scratch. Just bake or heat the meatballs according to the package instructions, then combine them with the sauce and cheese.

4. How do I make the sauce thicker?

If you prefer a thicker sauce, you can add an extra teaspoon of flour to the onions when caramelizing them. Alternatively, let the sauce simmer a little longer to reduce and thicken.

5. Can I add wine to the sauce?

For an extra depth of flavor, you can add ½ cup of dry white wine or red wine to the sauce after caramelizing the onions. Let the wine simmer for a few minutes before adding the beef broth to cook off the alcohol.

Conclusion

French Onion Meatballs are the perfect fusion of two comfort food classics: juicy, tender meatballs and the rich, savory flavors of French onion soup. Whether you’re serving these as a cozy family dinner or as an impressive appetizer for a crowd, they’re sure to be a hit. The combination of caramelized onions, melted cheese, and juicy beef makes every bite a flavor-packed experience.

This recipe is easy enough to whip up on a weeknight but special enough to serve at a dinner party. Plus, with all the customization options, you can make it your own. So grab your skillet and get ready to enjoy the ultimate comfort food with these delicious French Onion Meatballs!

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

French Onion Meatballs


  • Author: Amelia
  • Total Time: 1 hour
  • Yield: 6 servings (about 18-20 meatballs) 1x

Ingredients

Scale

For the Meatballs:

  • 1 ½ pounds ground beef (80/20 or 85/15 works best)
  • ½ cup breadcrumbs (use gluten-free breadcrumbs if needed)
  • 1 large egg, lightly beaten
  • ½ cup grated Parmesan cheese
  • 2 cloves garlic, minced
  • 1 tablespoon Worcestershire sauce
  • 1 tablespoon Dijon mustard
  • 1 teaspoon dried thyme
  • 1 teaspoon onion powder
  • Salt and pepper, to taste

For the French Onion Sauce:

  • 2 large onions, thinly sliced
  • 3 tablespoons butter
  • 2 cloves garlic, minced
  • 1 tablespoon flour (or gluten-free flour)
  • 2 cups beef broth
  • 1 tablespoon Worcestershire sauce
  • ½ teaspoon dried thyme
  • Salt and pepper, to taste
  • 1 cup shredded Gruyère or mozzarella cheese

For Garnish:

  • Chopped fresh parsley
  • Crusty bread or mashed potatoes (for serving)

Instructions

Step 1: Prepare the Meatballs

1. Preheat the Oven:

Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper or lightly grease it.

2. Mix the Meatball Ingredients:

In a large mixing bowl, combine the ground beef, breadcrumbs, egg, grated Parmesan, minced garlic, Worcestershire sauce, Dijon mustard, thyme, onion powder, and salt and pepper. Mix everything together gently using your hands or a large spoon, making sure not to overmix, as this can make the meatballs tough.

3. Shape the Meatballs:

Using your hands, shape the meat mixture into 1 ½-inch meatballs, about the size of a golf ball. You should get about 18-20 meatballs from this mixture. Place the meatballs on the prepared baking sheet, making sure they’re spaced evenly apart.

4. Bake the Meatballs:

Bake the meatballs in the preheated oven for 15-18 minutes, or until they’re browned on the outside and cooked through. You don’t have to worry about them being completely done at this point since they’ll continue cooking in the sauce later.

Step 2: Caramelize the Onions

1. Slice the Onions:

While the meatballs are baking, slice the onions thinly. You want the slices to be uniform in thickness so they cook evenly.

2. Caramelize the Onions:

In a large skillet, melt the butter over medium heat. Add the sliced onions and stir to coat them in the butter. Cook the onions over medium heat, stirring occasionally, for about 20-25 minutes, or until they are soft, golden brown, and caramelized.

3. Add Garlic and Seasonings:

Once the onions are caramelized, stir in the minced garlic and cook for another 1-2 minutes until fragrant. Sprinkle the onions with the flour and stir to coat the onions evenly. This will help thicken the sauce later.

Step 3: Make the French Onion Sauce

1. Add the Broth:

Slowly pour in the beef broth, stirring constantly to avoid lumps from the flour. Add the Worcestershire sauce, thyme, salt, and pepper. Stir everything together and bring the mixture to a simmer.

2. Simmer the Sauce:

Let the sauce simmer for 5-7 minutes until it thickens slightly. Taste and adjust the seasoning as needed. If the sauce becomes too thick, you can add a splash of water or more broth to reach your desired consistency.

Step 4: Combine the Meatballs and Sauce

1. Add the Meatballs to the Sauce:

Once the meatballs are done baking, carefully transfer them into the skillet with the French onion sauce. Spoon some of the sauce over the meatballs to coat them evenly.

2. Top with Cheese:

Sprinkle the shredded Gruyère or mozzarella cheese over the meatballs and sauce. Place the skillet under the broiler for 2-3 minutes, or until the cheese is melted and bubbly.

Step 5: Garnish and Serve

Once the cheese is melted and golden, remove the skillet from the oven. Garnish with chopped parsley and serve the meatballs hot with crusty bread, mashed potatoes, or over a bed of buttery noodles.

  • Prep Time: 20 minutes
  • Cook Time: 40 minutes

Nutrition

  • Serving Size: 3-4 meatballs
  • Calories: 450 kcal
  • Fat: 30g
  • Carbohydrates: 15g
  • Fiber: 2g
  • Protein: 32g

Leave a Comment

Recipe rating