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Crockpot French Onion Meatloaf topped with melted Swiss cheese served on a plate
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Crockpot French Onion Meatloaf with Melted Swiss Cheese

This comforting meatloaf combines caramelized onions with ground beef and is topped with melted Swiss cheese for a hearty and flavorful meal.
Prep Time20 minutes
Cook Time7 hours
Total Time7 hours 20 minutes
Course: Dinner, Main Course
Cuisine: American
Keyword: comfort food, Crockpot Meatloaf, French Onion, Meatloaf, Slow Cooker
Servings: 6 servings
Calories: 450kcal

Ingredients

Main Ingredients

  • 2 lbs ground beef (80/20 blend) This rich, tender beef provides the perfect balance of flavor and moisture.
  • 1 cup breadcrumbs (Panko or classic) These add texture, creating a delightful contrast against the juicy meat.
  • 1 packet (1 oz) French onion soup mix Bursting with savory onion flavor, this mix is the heart of the dish.
  • 1/2 cup milk Adding creaminess to the mixture, it enhances richness while keeping the meatloaf moist.
  • 1 large egg Acts as the binding agent, helping to hold the meatloaf together.
  • 2 tbsp Worcestershire sauce This tangy component elevates the umami profile of the meatloaf.
  • 1/2 tsp black pepper A sprinkle of heat complements the savory flavors.
  • 1/2 tsp garlic powder Infusing an aromatic quality that enhances each bite.
  • 2 large onions, thinly sliced These sweet, caramelized gems elevate the dish to new heights.
  • 2 tbsp unsalted butter Adds a velvety richness essential for caramelization.
  • 1 tbsp olive oil A healthy fat that assists in cooking the onions.
  • 1/2 tsp salt Enhances all flavors and balances the sweetness of the onions.
  • 1/2 tsp sugar (optional) A touch of sweetness helps caramelize the onions to golden perfection.
  • 1/2 cup beef broth Provides moisture and depth during the cooking process.
  • 8 oz Swiss cheese, sliced Melts beautifully, creating a gooey, indulgent topping.
  • 1/2 cup beef gravy (for serving) A finishing touch that adds flavor and comfort.
  • 1/4 cup fresh parsley, chopped (for garnish) A vibrant pop of color and freshness to round out the dish.

Instructions

Caramelize the Onions

  • Melt 2 tablespoons of unsalted butter together with 1 tablespoon of olive oil in a large skillet over medium heat.
  • Add 2 large, thinly sliced onions and stir occasionally, allowing them to cook for about 15-20 minutes until golden brown.
  • Sprinkle in 1/2 teaspoon of salt and 1/2 teaspoon of sugar (if desired), and pour in 1/2 cup of beef broth.
  • Continue to simmer until the liquid has been absorbed.

Prepare the Meatloaf

  • In a large mixing bowl, combine 2 lbs of ground beef, 1 cup of breadcrumbs, 1 packet of French onion soup mix, 1/2 cup of milk, 1 large egg, 2 tablespoons of Worcestershire sauce, 1/2 teaspoon of black pepper, and 1/2 teaspoon of garlic powder.
  • Gently mix the ingredients using your hands, being careful not to overwork the mixture.
  • Flatten the meat mixture onto parchment paper into a uniform rectangular shape.
  • Spread the caramelized onions evenly over the center, then carefully roll the meatloaf into a log.

Slow Cook the Meatloaf

  • Lightly grease your crockpot and lay the meatloaf inside.
  • Cover it and cook on LOW for 6-7 hours or on HIGH for 3-4 hours until the internal temperature reaches 160°F.
  • In the last 10 minutes of cooking, top the meatloaf with 8 oz of Swiss cheese.

Serve & Enjoy

  • Transfer the meatloaf to a serving platter and let it rest for a moment.
  • Spoon over 1/2 cup of warm beef gravy and drizzle with fresh chopped parsley.
  • Slice the meatloaf and serve.

Notes

To achieve the perfect meatloaf, avoid overmixing the ingredients and ensure your crockpot is preheated before cooking.