Slow Cooker French Onion Meatballs Recipe

Ingredients

• 1 lb ground beef
• 1/2 cup breadcrumbs
• 1/4 cup grated Parmesan cheese
• 1/4 cup finely chopped onion
• 2 cloves garlic, minced
• 1 large egg
• 2 tablespoons fresh parsley, chopped
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/2 teaspoon dried oregano
• 3 large yellow onions, thinly sliced
• 3 tablespoons unsalted butter
• 2 teaspoons sugar
• 3 cloves garlic, minced
• 1 tablespoon all-purpose flour
• 2 cups beef broth
• 1/2 cup dry white wine
• 1 tablespoon Worcestershire sauce
• 1/2 teaspoon dried thyme