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Dinner · Part 2 of 3: Instructions

French Onion Meatloaf with Caramelized Onions Step-by-step instructions

A thick, juicy slice of French onion meatloaf topped with golden caramelized onions on a white plate.
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before beginning, ensure all ingredients are at room temperature. Slice the onions thinly and evenly to facilitate uniform caramelization. Preheat the oven and have all mixing equipment ready.

Prepare the glaze in a small bowl so it is ready for application during the final stages of baking. Organizing the workspace ahead of time ensures a smooth cooking process and helps maintain the integrity of the meat mixture by keeping handling to a minimum.

Ingredients at a glance (3)
  • 2 lb ground meat mixture
  • 3 large onions, thinly sliced
  • 1/2 cup savory glaze

Instructions

Caramelizing the onions

  1. Caramelize the onions
    Heat a large skillet over medium-low heat. Add the sliced onions and cook, stirring occasionally, until they are deep golden brown and soft. This process requires patience to develop the natural sweetness of the onions. Set aside to cool slightly before using.
    Look for Onions turn deep golden brown and soft
    Tip Do not rush the caramelization process as it builds the main flavor profile.

The onions should be reduced in volume significantly and have a deep, rich brown color. They should smell sweet and savory, with no signs of burnt edges or charred pieces. If they appear to be drying out too quickly, add a small splash of water to the skillet to deglaze and keep the onions moist during the long cooking process.

Shaping the meatloaf

  1. Shape the meatloaf
    In a large mixing bowl, shape the ground meat mixture into a loaf. Place it into a greased loaf pan or onto a lined baking sheet. Ensure the meat is handled gently to keep the texture tender and juicy.
    Look for Meat is formed into a uniform loaf shape
    Tip Handle the meat gently to ensure the final texture remains tender and juicy.

The meat mixture should be cohesive enough to hold its shape when formed into a loaf. It should feel slightly tacky but not overly wet. Ensure the meat is packed firmly enough to hold together during the baking process. If the mixture feels too loose, adjust the shape to ensure it is compact and ready for the oven.

Baking and glazing

  1. Bake and glaze
    Preheat the oven to 375°F (190°C). Bake the meatloaf for 45 minutes. Remove from the oven, brush the top generously with the savory glaze, and top with the caramelized onions. Return to the oven and bake for an additional 15 minutes, or until the internal temperature reaches 160°F (71°C). Let it rest for 10 minutes before slicing.
    Look for Meatloaf is firm and glaze is bubbling
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Use a meat thermometer to ensure the center reaches the safe temperature.

The meatloaf should be firm, and the glaze should appear glossy and slightly sticky on the surface. The onions on top should be dark and flavorful.

Ensure the center is cooked through by checking the internal temperature with a thermometer. The kitchen should smell aromatic and savory, indicating that the flavors have melded perfectly during the final phase of the bake.

Common mistakes

A common mistake is rushing the onion caramelization; high heat will burn the onions rather than developing their natural sweetness. Another error is overworking the meat mixture when shaping, which leads to a dense, tough texture instead of a tender, crumbly one.

Finally, failing to let the meatloaf rest for at least 10 minutes after baking will cause the juices to escape when sliced, resulting in a dry serving.

How to tell it’s done

The meatloaf is considered done when it reaches an internal temperature of 160°F (71°C) at the center. Visually, the top should be glazed and caramelized, and the juices should run clear when pierced with a knife.

The loaf should feel firm to the touch but still springy. Always use a meat thermometer inserted into the thickest part of the loaf to verify the temperature, as visual cues alone can be misleading.

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

Coming up in Part 3: common questions

  • Can this meatloaf be made without the glaze?
  • Why does the meatloaf fall apart when sliced?
  • Can a different type of ground meat be used?

Also in Part 3: variations (Cheesy French Onion Meatloaf, Herb-Infused Meatloaf), 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)