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Dinner · Part 2 of 3: Instructions

French Onion Meatloaf with Gruyère Cheese Step-by-step instructions

A close-up of a sliced French onion meatloaf topped with golden, melted Gruyère cheese and caramelized onions.
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before starting, ensure all ingredients are measured and ready. Slice the onions thinly to ensure they caramelize at an even rate. Preheat the oven to 375°F (190°C) and prepare your baking dish by lightly greasing it if necessary.

Having your tools, such as the skillet and thermometer, within reach will make the cooking process smooth and efficient. Clear your counter space and prepare your cutting board to manage the volume of onions required for this recipe, ensuring you have enough room to work comfortably throughout the entire preparation and cooking stages.

Ingredients at a glance (5)
  • 2 lb ground meat
  • 3 large yellow onions, thinly sliced
  • 1/2 cup beef broth
  • 1 cup shredded Gruyère cheese
  • 1 tbsp fresh parsley, chopped

Instructions

Caramelizing the onions

  1. Caramelize the onions
    Place the sliced onions in a large skillet over medium heat. Sauté them slowly until they are deeply browned and sweet. Pour in the beef broth and simmer until the liquid reduces into a rich, savory sauce that clings to the onions.
    Look for Onions should be deep brown and soft.
    Tip Do not rush the caramelization process, as the depth of flavor depends on the slow browning of the onion sugars.

The onions should be deep golden brown, soft, and fragrant. The beef broth should be mostly evaporated, leaving behind a thick, syrupy consistency that coats the onions perfectly. Check that the onions are not burnt; they should smell sweet and savory, indicating they are ready to be used as the topping.

Ensure the skillet is kept at a consistent medium heat to maintain the gentle browning process, which is essential for achieving the desired depth of flavor without any harsh or charred notes.

Baking the meatloaf

  1. Bake the meatloaf
    Shape the ground meat into a loaf in a baking dish. Bake in a preheated oven until the center reaches 160°F (71°C). Once cooked through, remove it from the oven to prepare for the topping.
    Look for Meatloaf should be firm to the touch.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Using a meat thermometer ensures accuracy without overcooking the meat.

The meatloaf should be cooked through and have a firm structure. The edges should be slightly darkened and the juices clear. Ensure the internal temperature has reached 160°F (71°C) before proceeding to the final assembly stage to ensure food safety and optimal texture for the final dish. Check that the meatloaf has maintained its shape during the baking process and that the exterior is evenly browned, indicating it is ready to receive the flavorful onion and cheese topping.

Adding topping and finishing

  1. Add topping and serve
    Spread the caramelized onion mixture evenly over the top of the baked meatloaf. Cover with the shredded Gruyère cheese and return to the oven until the cheese is melted and bubbling. Garnish with fresh parsley before serving.
    Look for Cheese should be golden and bubbly.
    Tip Broil for the last minute if a deeper golden crust is desired on the cheese.

The cheese must be completely melted and bubbling across the entire surface of the onions. The final result should look glistening and golden, with the aroma of melted Gruyère filling the kitchen. A light sprinkle of fresh parsley adds a pop of color and freshness, signaling that the dish is ready to be served. Ensure the cheese has achieved a beautiful, golden-brown finish, which indicates that the topping is perfectly heated and ready to be enjoyed immediately.

Common mistakes

Avoid rushing the onion caramelization phase, as this is where the primary flavor profile is developed. High heat will burn the onions rather than caramelizing them properly, resulting in a bitter taste.

Additionally, ensure the meatloaf is allowed to rest for at least ten minutes after cooking to redistribute the juices, ensuring every slice remains moist and tender. Do not skip the resting period, as this is crucial for the structural integrity of the meatloaf, allowing it to hold its shape perfectly when you eventually slice it for serving.

How to tell it’s done

The meatloaf is done when an instant-read thermometer inserted into the center reads 160°F (71°C). At this point, the meat should be firm but still juicy. Avoid overcooking the meat, as it can lead to a dry texture.

The cheese topping should be completely melted, bubbling, and lightly browned on top before removing the dish from the oven. Always verify the internal temperature in the thickest part of the loaf to ensure it is cooked safely through, providing the best possible texture and flavor for your final meal.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this meatloaf be made in a standard loaf pan?
  • What is the best way to ensure the meatloaf stays moist?
  • Can the onions be caramelized in a slow cooker?

Also in Part 3: variations (Balsamic Onion Twist, Herb-Crusted Variation), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)