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If you love classic comfort food with a twist, this Slow Cooker French Onion Meatloaf is about to become a family favorite. Juicy beef is blended with savory French onion soup, melty Swiss cheese, and fresh parsley, then slow-cooked until tender and full of flavor. The best part? The slow cooker does most of the work, making it a perfect weeknight or Sunday dinner recipe.

Imagine hearty meatloaf infused with all the flavors of French onion soup—rich, cheesy, and comforting, with almost no effort.
Why You’ll Love This Recipe
- Easy & fuss-free: Mix, shape, and let the slow cooker work its magic.
- Packed with flavor: The French onion soup adds savory depth you don’t get from regular meatloaf.
- Cheesy goodness: Swiss cheese inside and on top makes it extra comforting.
- Family-friendly: A hearty dish everyone will ask for seconds of.
Ingredients
- 1 ½ pounds ground beef
- 1 cup French onion soup (canned or homemade)
- 1 cup breadcrumbs
- ½ cup grated Swiss cheese
- ¼ cup chopped fresh parsley
- 1 large egg
- Salt & black pepper, to taste
- Extra Swiss cheese, for topping
Instructions
- In a large mixing bowl, combine the ground beef, French onion soup, breadcrumbs, Swiss cheese, parsley, egg, salt, and pepper.
- Mix until just combined (don’t overwork the meat). Shape into a loaf.
- Place the loaf into the slow cooker.
- Cook on low for 6–8 hours or high for 3–4 hours.
- About 30 minutes before it’s done, sprinkle extra Swiss cheese over the top.
- Serve hot, sliced thick, with mashed potatoes or crusty bread.
Tips & Tricks
- Use lean ground beef (85/15) to keep the loaf moist but not greasy.
- For extra flavor, add a dash of Worcestershire sauce to the mix.
- Line the bottom of the slow cooker with parchment paper for easier lifting.
- Leftovers? Slice and use for meatloaf sandwiches the next day!
FAQ
Can I use a different cheese?
Yes! Gruyère, provolone, or mozzarella also pair wonderfully with the French onion flavor.
Can I freeze it?
Absolutely. Cook the loaf, let it cool, then freeze in slices for quick, reheatable meals.
Can I bake this instead?
Yes—bake at 375°F for about 50–60 minutes, adding cheese on top during the last 10 minutes.
WANT TO SAVE THIS RECIPE?