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Crockpot French Onion Meatballs – A Comforting Twist on a Classic

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Tender Crockpot French Onion Meatballs simmered in caramelized onion broth and topped with melted cheese. Cozy, easy, and perfect over mashed potatoes or noodles.

Ingredients

Scale
  • 1.52 lbs frozen or homemade meatballs

  • 3 large yellow onions, thinly sliced

  • 3 garlic cloves, minced

  • 2 tbsp butter

  • 2 cups beef broth (low-sodium)

  • 1 tbsp Worcestershire sauce

  • 1 tsp dried thyme

  • 1 bay leaf

  • 1 cup shredded Gruyère, Swiss, or mozzarella cheese

  • Salt & pepper to taste

  • 1 tbsp cornstarch or flour (optional for thickening)

Instructions

  1. Caramelize onions in butter over medium-low heat for 20–25 minutes. Add garlic at the end.

  2. Deglaze pan with a bit of broth.

  3. Add meatballs to Crockpot. Top with onions, broth, Worcestershire, thyme, and bay leaf.

  4. Cover and cook on LOW for 4–6 hours or HIGH for 2–3 hours.

  5. Optional: Thicken with cornstarch slurry. Cook 15–20 more minutes.

  6. Sprinkle cheese over meatballs. Cover and let melt.

  7. Serve hot over potatoes, noodles, or bread.

Notes

  • Use homemade or store-bought meatballs.

  • Add mushrooms or carrots for extra veggies.

  • Store leftovers up to 4 days, or freeze up to 3 months.