Crockpot French Onion Meatloaf with Melted Swiss Cheese

Nothing says cozy comfort quite like a slow-cooked meatloaf filled with rich flavors. This Crockpot French Onion Meatloaf with Melted Swiss Cheese is a true crowd-pleaser, combining sweet caramelized onions, juicy ground beef, and a gooey blanket of Swiss cheese.

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It’s an easy, hands-off recipe that transforms simple ingredients into a warm, family-friendly dinner you’ll want to make again and again.

Why You’ll Love Crockpot French Onion Meatloaf

  • Effortless cooking – Your crockpot does most of the work.
  • Bold flavors – Sweet onions, savory beef, and melty cheese.
  • Family-friendly – A hearty main dish that everyone can enjoy.
  • Perfect for busy nights – Prep in minutes, then set it and forget it.

Ingredients for Crockpot French Onion Meatloaf

Here’s what you’ll need to bring this cozy dish to life:

  • 3–4 large sweet onions, sliced thin
  • 4 tbsp salted butter
  • 1 tbsp olive oil
  • 1 tsp sea salt
  • 1 tsp coarse black pepper
  • 1 tsp granulated sugar
  • 1 lb ground beef (or ground chicken as an alternative)
  • 1 cup Italian herb breadcrumbs
  • 1 cup milk
  • 1 large egg
  • 1 oz French onion soup mix
  • ½ cup beef broth (substitute for sherry, keeping it family-friendly)
  • ½ tsp Worcestershire sauce
  • 4 oz Swiss, Gruyère, or provolone cheese slices
  • Fresh thyme sprigs for garnish

Step-by-Step Instructions

1. Caramelize the Onions

  • Place onions in the bottom of a 6-quart crockpot.
  • Season with salt, pepper, and sugar, then dot with butter.
  • Cook on LOW for 9 hours until golden and tender.
    (Shortcut: caramelize in a skillet in 15–20 minutes if you’re short on time.)

2. Mix the Meatloaf

  • In a large bowl, combine ground beef, breadcrumbs, milk, egg, and French onion soup mix.
  • Form into a firm loaf shape.

3. Slow Cook to Perfection

  • Pour beef broth and Worcestershire sauce over the onions.
  • Gently place the meatloaf on top.
  • Cook on HIGH for 3 hours, or until the internal temperature reaches 160°F.

4. Melt the Cheese

  • Layer Swiss or Gruyère slices on top of the meatloaf.
  • Cover and cook for another 20–30 minutes until the cheese is perfectly melted.

5. Serve and Enjoy

  • Slice the meatloaf and serve with caramelized onions and juices from the crockpot.
  • Garnish with fresh thyme for a beautiful finish.

Practical Tips for Crockpot Meatloaf

  • Use a meat thermometer for perfect doneness.
  • Line the bottom of the crockpot with onions to prevent sticking.
  • Swap Swiss for provolone if you prefer a milder cheese.

Bonus Ideas to Try

  • Chicken Version: Swap ground beef for ground chicken for a lighter option.
  • Veggie Boost: Add finely diced mushrooms or zucchini into the meat mix.
  • Freezer Friendly: Prepare the loaf in advance and freeze, then cook directly in the crockpot.

This recipe is comfort food made easy, and once you try it, it may just become a new family favorite. Save this Crockpot French Onion Meatloaf to your Pinterest board today so you’ll always have a delicious dinner idea ready!

Close-up of melted Swiss cheese on Crockpot French Onion Meatloaf
Yan Brodji

Crockpot French Onion Meatloaf with Melted Swiss Cheese

This slow-cooked French Onion Meatloaf is cozy comfort food at its best, combining caramelized onions, juicy ground beef, and melty Swiss cheese for a family-friendly dinner straight from the crockpot.
Prep Time 15 minutes
Cook Time 3 hours
Total Time 3 hours 15 minutes
Servings: 6 slices
Course: Main Course
Cuisine: American
Calories: 420

Ingredients
  

  • 3–4 large sweet onions, sliced thin
  • 4 tbsp salted butter
  • 1 tbsp olive oil
  • 1 tsp sea salt
  • 1 tsp coarse black pepper
  • 1 tsp granulated sugar
  • 1 lb ground beef (or ground chicken)
  • 1 cup Italian herb breadcrumbs
  • 1 cup milk
  • 1 large egg
  • 1 oz French onion soup mix
  • 1/2 cup beef broth (or sherry)
  • 1/2 tsp Worcestershire sauce
  • 4 oz Swiss, Gruyère, or provolone cheese slices
  • Fresh thyme sprigs for garnish

Equipment

  • 6-quart crockpot
  • mixing bowl
  • measuring cups
  • knife
  • Cutting board
  • meat thermometer

Method
 

  1. Place onions in the bottom of a 6-quart crockpot. Season with salt, pepper, and sugar, then dot with butter. Cook on LOW for 9 hours until golden and tender. (Shortcut: caramelize in a skillet in 15–20 minutes if you’re short on time.)
  2. In a large bowl, combine ground beef, breadcrumbs, milk, egg, and French onion soup mix. Form into a firm loaf shape.
  3. Pour beef broth and Worcestershire sauce over the onions. Gently place the meatloaf on top. Cook on HIGH for 3 hours, or until the internal temperature reaches 160°F.
  4. Layer Swiss or Gruyère slices on top of the meatloaf. Cover and cook for another 20–30 minutes until the cheese is perfectly melted.
  5. Slice the meatloaf and serve with caramelized onions and juices from the crockpot. Garnish with fresh thyme for a beautiful finish.

Notes

Use a meat thermometer to check for doneness (160°F). Line the bottom of the crockpot with onions to prevent sticking. Swap Swiss for provolone if you prefer a milder cheese. You can also caramelize the onions in a skillet if short on time.