Step-by-step instructions
- In a large bowl, combine ground beef, French onion soup mix, breadcrumbs, milk, eggs, ketchup, and Worcestershire sauce. Mix well until all ingredients are fully integrated.
- Line your crockpot with parchment paper or foil for easy cleanup and removal of the meatloaf.
- Press half of the meat mixture into the bottom of the lined crockpot.
- Spread the caramelized onions and half of the Swiss cheese over the meat mixture.
- Top with the remaining meat mixture, pressing gently to seal the edges.
- Cover and cook on low for 6 hours or high for 4 hours.
- In the last 10 minutes of cooking, add the remaining Swiss cheese on top of the meatloaf and re-cover until melted.
- Garnish with fresh thyme before slicing and serving.
Best ways to enjoy it
This Crockpot French Onion Meatloaf can stand alone, but don’t hesitate to jazz up your meal by pairing it with creamy mashed potatoes or a fresh green salad. For extra comfort, serve with a side of roasted vegetables. If you’re feeling adventurous, create a meatloaf sandwich with your favorite bread and condiments for a flavorful lunch the next day.
Keeping leftovers fresh
To store any leftovers, allow your meatloaf to cool completely before transferring it to an airtight container. You can keep it in the refrigerator for up to 3 days. For longer storage, consider freezing individual slices wrapped securely in plastic wrap and then in aluminum foil. Properly stored, they can last for up to 3 months.
Helpful cooking tips
- Make sure not to overmix the meat mixture; this helps maintain a tender texture.
- Caramelize your onions in advance, as this will enhance their flavor and save time during preparation.
- Don’t skip the step of pressing the meat mixture into the crockpot—this ensures even cooking and proper sealing of flavors.
Creative twists
Why not get creative with this recipe? You can swap the Swiss cheese for cheddar or provolone for a different flavor profile. For a spicy kick, add some chopped jalapeños into the meat mixture or top it with sriracha before serving. If you’re looking to make it healthier, consider adding grated zucchini or carrots to the mixture for added moisture and nutrition.

Your questions answered
How long do I need to cook the meatloaf?
You can cook it on low for about 6 hours or high for about 4 hours.
Can I substitute the ground beef?
Absolutely! Ground turkey, chicken, or even a plant-based ground meat alternative can work well.
What should I do with leftover meatloaf?
Store it in an airtight container in the fridge for up to 3 days or freeze individual slices for later enjoyment.
Can I make this recipe ahead of time?
Yes! You can prepare the meat mixture the night before and assemble it in the crockpot the next day.
With the combination of rich flavors from the French onion soup and melted Swiss goodness, this Crockpot French Onion Meatloaf will surely become a staple in your cooking repertoire. Enjoy the cozy comfort this dish brings to your dining table!






