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Savory French Onion Meatloaf with Melted Swiss, Crockpot Style

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This Savory French Onion Meatloaf with Melted Swiss is a comforting, slow-cooked delight featuring juicy meat, sweet caramelized onions, and gooey Swiss cheese. It’s an easy, flavorful crockpot meal perfect for any day of the week.

  • Author: Emma
  • Prep Time: 25 minutes
  • Cook Time: 6–7 hours
  • Total Time: 7 hours
  • Yield: 6–8 slices
  • Category: Main Dish
  • Method: Slow Cooker
  • Cuisine: American
  • Diet: Halal

Ingredients

  • 1 1/2 lbs ground beef (or beef-pork mix)
  • 1/2 cup breadcrumbs
  • 1/4 cup grated Parmesan cheese
  • 1 large egg
  • 2 cups caramelized onions (divided)
  • 2 cloves garlic, minced
  • 1 tbsp Worcestershire sauce
  • 1 tsp Dijon mustard (optional)
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 46 slices Swiss cheese
  • 3 yellow onions, thinly sliced
  • 2 tbsp unsalted butter or olive oil
  • 1 tsp brown sugar (optional)
  • 1/4 tsp salt (for onions)
  • 1 tsp fresh thyme (optional)

Instructions

  1. Caramelize onions by cooking them in butter/oil over medium heat with salt, brown sugar, and thyme if using, stirring frequently for 20–25 minutes until golden and sweet.
  2. In a bowl, combine ground meat, breadcrumbs, Parmesan, egg, garlic, Worcestershire, Dijon, salt, pepper, and half of the caramelized onions. Mix until just combined.
  3. Shape into a loaf and place in the crockpot. Top with remaining caramelized onions.
  4. Cover and cook on low for 6–7 hours or high for 3–4 hours, until internal temp reaches 160°F (71°C).
  5. In the final 15 minutes, top with Swiss cheese slices, cover, and let melt.
  6. Transfer to a serving dish, spoon onion juices on top, and slice to serve.

Notes

  • Don’t overmix meat for the best texture.
  • Use Gruyère or provolone as alternate cheeses.
  • Prepare the meat mixture and onions the night before to save time.
  • Serve over mashed potatoes, in buns, or with steamed veggies.
  • Store leftovers in the fridge for up to 4 days or freeze for 3 months.

Nutrition