Slow Cooker French Onion Meatloaf

Slow Cooker French Onion Meatloaf is a delicious twist on the classic meatloaf, featuring savory French onion flavors. This comforting dish is made with tender ground beef, onion soup mix, and plenty of cheese, all cooked low and slow to perfection. It’s a simple yet flavorful meal that pairs wonderfully with mashed potatoes or roasted vegetables. Let’s get started!

Table of Contents

Ingredients

  • 2 lbs ground beef
  • 1 packet (1 oz) French onion soup mix
  • 1/2 cup breadcrumbs
  • 1/4 cup milk
  • 1/4 cup ketchup
  • 2 large eggs
  • 1 cup shredded mozzarella or Swiss cheese
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon black pepper
  • 1 cup beef broth
  • 1 large onion, sliced
  • 2 tablespoons Worcestershire sauce
  • Fresh parsley, chopped (optional, for garnish)

Instructions

Prepare the Meatloaf

  1. Combine Meatloaf Ingredients: In a large mixing bowl, combine the ground beef, French onion soup mix, breadcrumbs, milk, ketchup, eggs, shredded cheese, garlic powder, dried thyme, and black pepper. Mix until just combined, being careful not to overwork the meat.
  2. Shape the Meatloaf: Shape the mixture into a loaf and place it on a piece of parchment paper or foil for easy transfer.

Assemble in the Slow Cooker

  1. Prepare the Slow Cooker: Lightly grease the inside of the slow cooker. Place the sliced onions in an even layer at the bottom of the slow cooker.
  2. Place the Meatloaf: Carefully transfer the meatloaf into the slow cooker on top of the sliced onions.
  3. Add Broth and Sauce: Pour the beef broth and Worcestershire sauce around the meatloaf, allowing the liquid to soak into the onions.

Cook the Meatloaf

  1. Cook: Cover and cook on low for 6-7 hours or on high for 3-4 hours, until the meatloaf is cooked through and reaches an internal temperature of 160°F (71°C).
  2. Rest: Once cooked, carefully remove the meatloaf from the slow cooker and let it rest for 10 minutes before slicing.
  3. Serve: Slice the meatloaf and serve with the cooked onions and a spoonful of the broth. Garnish with chopped parsley if desired.

Cook’s Notes and Tips

  • Do Not Overmix: Overmixing the meatloaf mixture can lead to a dense texture. Mix just until all ingredients are combined.
  • Cheese Options: Mozzarella and Swiss cheese both work well, but you can also use Gruyere for a more intense flavor.
  • Use a Meat Thermometer: To ensure the meatloaf is fully cooked, use a meat thermometer to check that the internal temperature reaches 160°F (71°C).

Variations

  • Mushroom Addition: Add 1 cup of sliced mushrooms to the slow cooker along with the onions for an earthy flavor.
  • Turkey Meatloaf: Substitute ground beef with ground turkey for a lighter version. Be sure to adjust cooking time as needed.
  • Spicy Meatloaf: Add 1/2 teaspoon of crushed red pepper flakes to the meat mixture for a little kick.

Serving Suggestions

  • Mashed Potatoes: Serve with creamy mashed potatoes to soak up the delicious broth and juices.
  • Roasted Vegetables: Roasted carrots, green beans, or Brussels sprouts make a great side dish.
  • Crusty Bread: Pair with crusty bread to help mop up the flavorful onion broth.

Frequently Asked Questions (FAQs)

Can I Make This Meatloaf Ahead of Time?

Yes, you can prepare the meatloaf mixture up to 24 hours in advance. Store it in the refrigerator until ready to cook.

How Do I Store Leftovers?

Store leftover meatloaf in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven until warmed through.

Can I Freeze This Meatloaf?

Yes, you can freeze the cooked meatloaf. Let it cool completely, then wrap it tightly in foil and place it in a freezer-safe bag. Freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.

Can I Use Fresh Onions Instead of Onion Soup Mix?

Yes, you can use 1 finely chopped onion instead of the soup mix, along with 1/2 teaspoon salt for seasoning.

How Can I Tell When the Meatloaf Is Done?

The meatloaf is done when it reaches an internal temperature of 160°F (71°C). Use a meat thermometer for accuracy.

Slow Cooker French Onion Meatloaf is a savory, comforting dish that’s packed with flavor and perfect for any night of the week. The slow-cooked onions add a rich depth of flavor, and the cheese brings an extra layer of deliciousness. Gather your ingredients, set your slow cooker, and enjoy this hearty meal with your favorite sides!

Happy Cooking!

 

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