This Crockpot French Onion Meatloaf is a cozy, comforting dish. Packed with flavor from onions and topped with gooey Swiss cheese, it’s a family favorite that cooks itself while you relax!
I love how the meatloaf stays juicy and flavorful in the slow cooker. Plus, who can resist that melted cheese on top? It’s like a warm hug on a plate! 🥰
Key Ingredients & Substitutions
Ground Beef: I find that using an 80/20 blend (80% lean, 20% fat) gives the best flavor and moisture. If you prefer leaner meat, 90/10 works too, but the meatloaf may be drier. You can even use ground turkey or chicken for a lighter option.
Onion: Yellow onions are great for caramelizing because of their natural sweetness. If you’re out of yellow onions, white onions or even shallots can be used, but the flavor will vary slightly.
Swiss Cheese: Swiss adds a creamy texture and mild flavor, but feel free to use provolone or mozzarella if you prefer. For a sharper taste, Gruyère or even cheddar would work nicely!
Breadcrumbs: I use plain breadcrumbs for texture. If you need a gluten-free option, choose gluten-free breadcrumbs or crushed gluten-free crackers. For added flavor, Italian-seasoned breadcrumbs can also be a nice touch.
French Onion Soup: If you don’t have canned soup, making a homemade version with beef broth, onions, and seasoning works well. Just ensure it’s well-flavored to elevate your meatloaf!
How Do I Caramelize Onions Perfectly?
Caramelizing onions is key to the sweet flavor in this meatloaf! Start by slicing your onions thinly. Heating them slowly allows the natural sugars to caramelize without burning. Here’s how:
- **Heat Your Pan:** Use medium heat with olive oil or butter.
- **Add Onions:** Toss them in and stir to coat. Cook gently for about 20-25 minutes.
- **Stir Occasionally:** Check every few minutes and stir to ensure they don’t stick or burn.
- **Look for Brown:** When they turn a deep golden brown, they’re ready! This adds the rich flavor you want.
Remember, patience is key! Rushing the process can lead to burnt bits rather than the sweet, soft goodness you aim for.
This dish combines all these ingredients beautifully, and following these tips will ensure your meatloaf turns out deliciously moist and flavorful! Enjoy your cooking!

Crockpot French Onion Meatloaf with Melted Swiss Cheese
Ingredients You’ll Need:
For the Meatloaf:
- 2 lbs ground beef (preferably 80/20 for juiciness)
- 1 large yellow onion, thinly sliced
- 1 cup breadcrumbs
- 2 large eggs
- 2 cloves garlic, minced
- 1/4 cup fresh parsley, chopped (plus extra for garnish)
- 2 tbsp Worcestershire sauce
- 1 tsp dried thyme
- 1 tsp salt
- 1/2 tsp black pepper
For the Toppings:
- 4 oz Swiss cheese, sliced (about 4-6 slices)
- 1 cup French onion soup (canned or homemade)
- 2 tbsp olive oil or butter (for caramelizing onions)
How Much Time Will You Need?
This delicious meatloaf takes about 30 minutes of prep time to get everything ready, and then you’ll let it cook in the crockpot for 6-8 hours on LOW or 3-4 hours on HIGH. You’ll have a lovely, hearty meal waiting for you at the end of the day!
Step-by-Step Instructions:
1. Caramelize the Onions:
First, heat the olive oil or butter in a large skillet over medium heat. Add the thinly sliced onions and stir them to coat. Cook slowly, stirring occasionally, until they are golden brown and caramelized—this should take about 20-25 minutes. Once caramelized, set the onions aside.
2. Prepare the Meatloaf Mixture:
In a large bowl, combine the ground beef, breadcrumbs, eggs, minced garlic, chopped parsley, Worcestershire sauce, dried thyme, salt, and pepper. Mix gently with your hands or a spoon until just combined—be careful not to overmix, as this can make the meatloaf tough.
3. Shape and Place in the Crockpot:
Shape the meat mixture into a loaf shape and place it in the bottom of your crockpot. Spread half of the caramelized onions evenly over the top. Then, pour the French onion soup over everything to keep the meatloaf moist and add flavor.
4. Cook:
Cover the crockpot and cook on LOW for 6-8 hours or on HIGH for 3-4 hours until the meatloaf reaches an internal temperature of 160°F (71°C). This will ensure it’s fully cooked and safe to eat.
5. Add Swiss Cheese:
About 15 minutes before you’re ready to serve, lay slices of Swiss cheese over the top of the meatloaf. Cover the crockpot again so the cheese melts beautifully.
6. Serve:
Once done, carefully transfer the meatloaf to a serving board or plate. Spoon the remaining caramelized onions on top for a lovely garnish, and sprinkle with fresh parsley for added color. Slice and enjoy this comforting meal!
This Crockpot French Onion Meatloaf is a fantastic meal that combines the sweetness of caramelized onions and the creaminess of Swiss cheese, making it a perfect dish for family dinners. Enjoy!
Can I Use Ground Turkey Instead of Beef?
Absolutely! Ground turkey is a great lean alternative, although it may be slightly drier. To enhance moisture, consider adding an extra egg or a bit of grated zucchini to the mixture.
What If I Don’t Have French Onion Soup?
No problem! You can make a quick substitute using beef broth or stock combined with sautéed onions and seasoning. Use about 1 cup of broth with a teaspoon of onion powder and salt to mimic the flavors.
How Long Can Leftovers Be Stored?
Leftovers can be stored in an airtight container in the fridge for up to 3 days. To reheat, warm gently in the microwave or on the stovetop until heated through.
Can I Freeze This Meatloaf?
Yes! You can freeze the cooked meatloaf for up to 3 months. Make sure to cool it completely, then wrap it tightly in plastic wrap and aluminum foil or store it in a freezer-safe container. Thaw in the fridge overnight before reheating.



