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Juicy French Onion Meatballs in Rich Onion Sauce

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Juicy baked meatballs simmered in caramelized onion gravy and topped with melted cheese — a cozy, French-inspired meal perfect for dinner or entertaining.

Ingredients

Scale

Meatballs:

  • 1 lb ground beef
  • 1/3 cup breadcrumbs
  • 1 egg
  • 1/4 cup grated onion
  • 2 garlic cloves, minced
  • 1 tsp Worcestershire sauce
  • 1/2 tsp salt
  • 1/2 tsp pepper
  • 1/2 tsp dried thyme

Onion Gravy:

  • 2 tbsp butter
  • 1 tbsp olive oil
  • 2 large yellow onions, thinly sliced
  • 1 tbsp flour
  • 2 cups beef broth
  • 1 tsp Worcestershire sauce
  • Fresh thyme or 1 bay leaf (optional)

Topping:

  • 1 cup shredded Gruyère or Swiss cheese
  • Fresh parsley or thyme, for garnish

Instructions

  1. Preheat oven to 400°F. Mix meatball ingredients, form into balls, and bake for 15–18 mins.
  2. In a skillet, heat butter and oil. Add onions and cook 25–30 minutes until deeply golden.
  3. Stir in flour, then slowly add broth and Worcestershire. Simmer 5–7 minutes until thickened.
  4. Add meatballs to the gravy and simmer 5–10 minutes.
  5. Sprinkle cheese on top and broil until melted and golden.
  6. Serve hot with sides of choice.

Notes

  • Make ahead and refrigerate for up to 4 days.
  • Use turkey or pork for variation.
  • Gluten-free and dairy-free substitutions available.