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+ servings

French Onion Soup Meatballs

Savory French onion soup meatballs drizzled with cheese and herbs.
A comforting dish combining juicy meatballs with the rich, savory flavors of French onion soup, perfect for busy nights and family dinners.
Prep Time 25 minutes
Cook Time 8 hours
Total Time 8 hours 25 minutes
Serving Size 4 servings

Ingredients

For the Meatballs

  • 1 pound ground beef (80/20) Gives good juiciness
  • 1 cup breadcrumbs Panko for lighter texture or regular for more binding
  • 1/2 cup grated Parmesan cheese
  • 1 large egg
  • 1 medium onion, finely chopped Yellow or sweet onion works best
  • 2 cloves garlic, minced
  • 1/2 teaspoon thyme (dried)
  • Salt and pepper to taste

For the Sauce

  • 2 cups beef broth Low-sodium recommended
  • 1 cup French onion soup mix (dry packet)

For Topping

  • Grated Gruyere cheese For topping
  • Fresh parsley For garnish

Instructions

Preparation

  • In a large bowl, mix the ground beef, breadcrumbs, Parmesan, egg, chopped onion, garlic, thyme, and a pinch of salt and pepper until just combined. Do not overmix.
  • Form the mixture into even meatballs, about 1 to 1 1/4 inches in diameter.

Cooking

  • Place the meatballs in a single layer or slightly stacked in the slow cooker.
  • Whisk together the beef broth and French onion soup mix until dissolved and pour evenly over the meatballs.
  • Cover and cook on LOW for 6–8 hours or on HIGH for 3–4 hours, until meatballs are tender and reach an internal temperature of 160°F.
  • Sprinkle grated Gruyere over the hot meatballs so it melts, and garnish with chopped fresh parsley before serving.

Notes

Optional: Sear meatballs in a hot skillet before placing in the slow cooker for extra flavor.