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Crockpot French Onion Beefloaf with Swiss Cheese

This slow-cooked beefloaf features rich caramelized onions and melty Swiss cheese, delivering a comforting and hearty meal with minimal prep and maximum flavor.
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Prep Time 15 minutes
Cook Time 7 hours
Total Time 7 hours 15 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American, Comfort Food
Calories: 560
Ingredients Equipment Method Notes

Ingredients
  

For the Beefloaf
  • 2 lb ground beef 85/15 blend
  • 1 cup breadcrumbs
  • 0.5 cup Parmesan cheese grated
  • 0.25 cup milk
  • 2 large eggs
  • 1 tbsp Worcestershire sauce
  • 1 tsp salt
  • 0.5 tsp black pepper
For the French Onion Topping
  • 2 large onions thinly sliced
  • 2 tbsp unsalted butter
  • 1 cup low-sodium beef broth
  • 8 slices Swiss cheese

Equipment

  • Crockpot
  • Large bowl
  • Large Skillet
  • Meat Thermometer

Method
 

  1. Step 1: In a large bowl, gently combine ground beef, breadcrumbs, Parmesan cheese, milk, eggs, Worcestershire sauce, salt, and black pepper. Mix carefully to avoid overworking the meat.
  2. Step 2: Shape the mixture into an oval loaf and place it in the crockpot.
  3. Step 3: Melt butter in a large skillet over medium heat. Add sliced onions and cook slowly, stirring occasionally, for 20-25 minutes until soft and caramelized.
  4. Step 4: Pour beef broth into the skillet with onions and simmer for 2-3 minutes until slightly reduced.
  5. Step 5: Spoon the caramelized onion mixture evenly over the meatloaf in the crockpot.
  6. Step 6: Cover and cook on low for 6-8 hours, or until the internal temperature reaches 160°F (71°C).
  7. Step 7: About 10 minutes before serving, layer Swiss cheese slices over the top of the beefloaf. Cover and allow cheese to melt until bubbly and golden.
  8. Step 8: Let the beefloaf rest for 5 minutes before slicing. Serve warm topped with melted Swiss cheese and caramelized onions.

Notes

Substitute Swiss cheese with provolone or mozzarella for variety. Use ground turkey or chicken for a lighter option. Add finely chopped bell peppers or mushrooms for extra texture. Brush with ketchup and brown sugar glaze before adding onions for a sweet-savory twist. Store leftovers in an airtight container in the fridge for 3-4 days or freeze up to 3 months.