1. Meatball Mixture: In a large bowl, combine ground beef, French onion soup mix, breadcrumbs, milk, egg, and Parmesan. Form into meatballs.
2. Brown Meatballs: Heat olive oil in a skillet over medium heat. Brown meatballs on all sides, then transfer to the slow cooker.
3. Caramelize Onions: In the same skillet, cook onions until caramelized, about 10-15 minutes. Add to slow cooker on top of meatballs.
4. Prepare Gravy: Mix beef broth, red wine (if using), and Worcestershire sauce. Pour over meatballs and onions in the slow cooker.
5. Cook: Set slow cooker to low for 6-8 hours or high for 3-4 hours. Season with salt and pepper.
6. Garnish and Serve: Sprinkle with fresh thyme before serving.
Prep Time: 20 mins | Cooking Time: 6-8 hours | Total Time: 6 hrs 20 mins – 8 hrs 20 mins | Servings: 4
Enjoy these Slow Cooker French Onion Meatballs as a heartwarming dish that’s perfect for any occasion, offering a gourmet twist on classic flavors.
