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Ultimate Crockpot French Onion Meatloaf with Melted Swiss Cheese

Close-up of a slice of crockpot french onion meatloaf topped with melted white cheese and caramelized onions.

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Make a tender, juicy meatloaf with the rich flavor of French onion soup using your slow cooker. This set-it-and-forget-it dinner is topped with gooey Swiss cheese for a comforting family meal.

Ingredients

Scale
  • 2 pounds ground beef
  • 1 packet French onion soup mix
  • 1 cup breadcrumbs
  • 1/2 cup milk
  • 2 eggs, beaten
  • 1/4 cup ketchup
  • 1 tablespoon Worcestershire sauce
  • 1 cup caramelized onions
  • 1 cup Swiss cheese, sliced
  • Fresh thyme, for garnish

Instructions

  1. Combine the ground beef, French onion soup mix, breadcrumbs, milk, beaten eggs, ketchup, and Worcestershire sauce in a large bowl. Mix the ingredients until they are just combined. Avoid overworking the meat mixture.
  2. Shape the meat mixture into a loaf shape. Place the meatloaf carefully into the basin of your slow cooker.
  3. Cover the slow cooker. Cook on the low setting for 6 to 7 hours, or on the high setting for 3 to 4 hours. The internal temperature should reach 160°F (71°C).
  4. During the final 30 minutes of cooking time, spread the caramelized onions evenly over the top of the meatloaf. Place the Swiss cheese slices on top of the onions.
  5. Cover the slow cooker again and cook until the cheese is fully melted and bubbly.
  6. Carefully remove the meatloaf from the crockpot. Slice the meatloaf and garnish with fresh thyme before serving. Serve this hearty family dinner with your favorite sides.

Notes

  • To make the caramelized onions ahead of time, slice one large onion thinly and cook it slowly in a skillet with a tablespoon of butter over low heat for about 30 minutes until deeply browned.
  • For a richer flavor, substitute half of the ground beef with ground chuck or ground sirloin.
  • This recipe works well for meal prep; leftovers reheat nicely for lunch the next day.

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