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French Onion Meatloaf

A cozy, sliceable meatloaf infused with the savory flavors of caramelized onions and melty Swiss or Gruyere cheese, perfect for weeknight dinners or potlucks.
Prep Time 30 minutes
Cook Time 1 hour
Total Time 1 hour 30 minutes
Course Dinner, Main Course
Cuisine American, French
Servings 6 servings
Calories 480 kcal

Ingredients
  

Main Ingredients

  • 2 pounds Ground Beef (or turkey for a lean option) Use ground turkey for lower fat and calories.
  • 2 large Caramelized Onions, thinly sliced
  • 1 cup Breadcrumbs (or gluten-free alternative) Substitute with gluten-free crumbs or oats.
  • ½ cup Shredded Cheese (Swiss or Gruyere) Use reduced-fat Swiss for less fat.
  • 1 large Egg Can use 2 tablespoons of yogurt for an egg-free option.
  • 1 teaspoon Garlic Powder
  • 1 teaspoon Thyme
  • To taste Salt and Pepper

Optional Ingredients

  • 1 Onion soup mix For extra flavor; reduce added salt if used.

Instructions
 

Preparation

  • Heat a skillet over medium heat with a little olive oil. Add the thinly sliced onions and cook, stirring often, for 20–25 minutes until soft and golden brown. Remove from heat and let them cool.
  • Preheat the oven to 375°F (190°C). Line a baking sheet with parchment or grease a loaf pan.
  • In a large bowl, combine ground beef, breadcrumbs, shredded cheese, egg, garlic powder, thyme, salt, pepper, and cooled caramelized onions. If using onion soup mix, add it now. Mix gently until just combined.
  • Form the mixture into a loaf on the baking sheet or press it into a loaf pan. Smooth the top for even cooking.

Baking

  • Bake in the preheated oven for 50–60 minutes until the internal temperature reaches 160°F (71°C) for beef or desired doneness for turkey.
  • Let the meatloaf rest for 5–10 minutes before slicing to allow juices to redistribute.

Notes

For best results, cool the onions before mixing, and mix gently to avoid a tough texture. Store leftovers in the fridge for 3-4 days.
Keyword casserole, comfort food, easy dinner, French Onion, Meatloaf