Crock-Pot French Onion Meatballs Recipe
If you’re craving a cozy meal that transforms simple ingredients into absolute magic, let me introduce you to Crock-Pot French Onion Meatballs. Imagine all the savory, cheesy depth of classic French onion soup, now hugging tender turkey meatballs, all bubbling together in your slow cooker. This recipe brings warmth and comfort to your table with minimal fuss, infusing every bite with caramelized onions, hearty broth, and melty Gruyere. Whether you’re hosting friends or planning a no-fuss family dinner, this dish is a guaranteed crowd pleaser that’ll have everyone returning for seconds.

Ingredients You’ll Need
The beauty of Crock-Pot French Onion Meatballs is how a handful of everyday ingredients can deliver such big flavor. Each element plays a vital role: from the mellow sweetness of onions to the cheesy topper that ties it all together, these are the essentials you won’t want to skip.
- Frozen turkey meatballs: A total shortcut hero—choose your favorite brand for consistently tender, protein-packed bites.
- White onions: Slice them thin; they’re the backbone of that signature sweet and savory flavor.
- Garlic: Minced fresh for a punch of aroma, boosting every spoonful with depth.
- Butter: Lends richness and kickstarts those golden, caramelized onions.
- Beef broth: Intensifies the soup-like quality and keeps everything moist and flavorful.
- Sherry: Adds a subtle sweetness and complexity; just a splash makes the whole dish sing.
- Fresh thyme leaves: Earthy, fragrant, and a must for classic French onion flavor.
- Shredded Gruyere cheese: All about the ooey-gooey topping; don’t skimp!
- Salt and pepper: Essential for seasoning and bringing out every layer of flavor.
How to Make Crock-Pot French Onion Meatballs
Step 1: Sauté the Onions and Sherry
Start by placing a skillet over medium heat and melting the butter. Add in the sliced onions and 2 tablespoons of the sherry, seasoning with a pinch of salt and pepper. Let the onions cook, stirring occasionally, for about 10 minutes. You know you’re on the right track when your kitchen starts to smell like a French bistro and the onions have softened and turned irresistibly sweet.
Step 2: Add Thyme and Garlic
Sprinkle in the fresh thyme and continue sautéing for another 5 minutes, letting those bright herbal notes infuse the onions. Once things are looking golden and aromatic, add the minced garlic and cook for just one extra minute, making sure to stir so nothing burns. This little step delivers a ton of flavor for your Crock-Pot French Onion Meatballs base.
Step 3: Transfer to Crock-Pot
Carefully transfer the buttery onion mixture straight into the base of your Crock-Pot. It might be tempting to sneak a taste right here, but resist—this flavor party is just getting started!
Step 4: Add Meatballs and Beef Broth
Top the onions with frozen turkey meatballs, then pour over the hearty beef broth. Give everything a gentle stir so the broth mingles with the onions, then cover up the slow cooker.
Step 5: Slow Cook Until Tender
Set your Crock-Pot to low and let the magic happen for 3.5 to 4 hours. Everything melds together beautifully while you sit back and relax. Before the final steps, give it a quick taste and add more salt and pepper if desired.
Step 6: Finish with Sherry and Cheese
Stir in the remaining 2 tablespoons of sherry for a last glossy touch. Heap the shredded Gruyere cheese over top, cover again, and let it all melt together for 10 to 13 more minutes, until the cheese is gooey and irresistible. Finish with a sprinkle of fresh thyme and serve up the ultimate Crock-Pot French Onion Meatballs!
How to Serve Crock-Pot French Onion Meatballs

Garnishes
A flourish of fresh thyme leaves on top brings a pop of color and a little burst of herbal freshness to this hearty dish. If you’re feeling fancy, a pinch of finely chopped chives or a dusting of cracked black pepper also looks gorgeous and tastes amazing with the creamy Gruyere.
Side Dishes
Crock-Pot French Onion Meatballs pair wonderfully with simple sides. Try serving them with a crusty baguette to soak up all that rich, oniony broth, or nestle them over creamy mashed potatoes or buttered egg noodles to round out the meal. Even a crisp green salad helps balance the flavors and keeps things light.
Creative Ways to Present
You don’t have to stick with bowls! For easy entertaining, offer the meatballs in a shallow dish with toothpicks as a crowd-pleasing appetizer. Or pile them on toasted baguette slices for a mini open-faced sandwich that’s both elegant and comforting.
Make Ahead and Storage
Storing Leftovers
If you’re lucky enough to have leftovers, store Crock-Pot French Onion Meatballs in an airtight container in the fridge. They’ll keep happily for three to four days, developing even deeper flavors overnight.
Freezing
This dish freezes beautifully! Let the meatballs cool completely, then transfer to a freezer-safe container. They’ll last up to three months. Just be sure to add the cheese fresh during reheating for the best texture.
Reheating
For the tastiest results, reheat leftovers gently on the stovetop or in your Crock-Pot on low, stirring now and then until heated through. If the sauce thickens too much, just add a splash of broth. A quick trip through the microwave works too, though you may lose a bit of that signature gooey cheese texture.
FAQs
Can I use homemade meatballs instead of frozen?
Absolutely! Homemade meatballs work perfectly in Crock-Pot French Onion Meatballs. Just make sure they’re fully cooked before adding them to the slow cooker, so they hold up during the long simmer.
What if I don’t have Gruyere cheese?
No Gruyere? No problem. You can swap in Swiss, mozzarella, or even provolone for that signature melty top. Each cheese brings its own flavor, so feel free to experiment.
Is there a substitution for sherry?
If you’re out of sherry, dry white wine adds a similar complexity, or use a bit of apple cider vinegar for acid. You can also skip it entirely and still have delicious Crock-Pot French Onion Meatballs.
Can I make this recipe vegetarian?
Yes! Use plant-based meatballs, swap beef broth for vegetable broth, and keep the remaining steps the same. You’ll still get all the rich, onion-forward flavor of the original.
How do I make this dish gluten-free?
Just check your meatballs and beef broth for hidden gluten, and use gluten-free certified brands. The rest of the ingredients are naturally gluten-free, so you can serve this dish with confidence to gluten-sensitive friends.
Final Thoughts
Whether you’re new to slow cooking or a seasoned Crock-Pot pro, I can’t wait for you to try these Crock-Pot French Onion Meatballs. From the savory broth to that melting blanket of cheese, every bite is a treat. Don’t be surprised if these become your go-to for cozy dinners and effortless entertaining!
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Crock-Pot French Onion Meatballs Recipe
- Total Time: 4 hours 20 minutes
- Yield: 6 servings 1x
- Diet: Gluten Free
Description
These Crock-Pot French Onion Meatballs are a delicious twist on a classic dish, combining tender turkey meatballs with savory caramelized onions, rich gruyere cheese, and aromatic thyme. Slow-cooked to perfection, these meatballs are bursting with flavor and make for a comforting and satisfying meal.
Ingredients
For the Meatballs:
- 2 (16 oz.) bags of frozen turkey meatballs
For the Onion Mixture:
- 2 white onions, thinly sliced
- 2 cloves garlic, minced
- 3 tbsp butter
- 2 tbsp sherry, divided
- 1/2 tbsp fresh thyme leaves, plus more for topping
- 2 cups beef broth
- 2 cups shredded gruyere cheese
- Salt and pepper to taste
Instructions
- In a skillet over medium heat, melt the butter. Add 2 tbsp of sherry and onions. Season with salt and pepper. Sauté for about 10 minutes, stirring occasionally.
- Add thyme and cook for another 5 minutes.
- Introduce garlic and cook for 1 more minute, stirring frequently.
- Transfer the mixture to the Crock-Pot.
- Add frozen meatballs and beef broth. Stir and cover.
- Cook on low for 3.5-4 hours.
- Adjust seasoning with salt and pepper if necessary.
- Stir in 2 tbsp sherry and top with gruyere cheese. Cover and cook for an additional 10-13 minutes.
- Sprinkle with fresh thyme leaves before serving.
- Prep Time: 20 minutes
- Cook Time: 4 hours
- Category: Main Course
- Method: Slow Cooking
- Cuisine: French
Nutrition
- Serving Size: 1 serving
- Calories: 380
- Sugar: 3g
- Sodium: 880mg
- Fat: 25g
- Saturated Fat: 12g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: 2g
- Protein: 28g
- Cholesterol: 90mg
Keywords: Crock-Pot, Meatballs, French Onion, Slow Cooker, Comfort Food