French Onion Chicken Meatballs

Ingredients (16)

• + 1 pound ground chicken add to pantry
• + ½ cup bread crumbs add to pantry
• + 1 egg add to pantry
• + 1 (1 ounce) package dry French onion soup mix add to pantry
• + 1 teaspoon minced garlic add to pantry
• ✓ 2 tablespoons butter
• + 2 medium onions, thinly sliced add to pantry
• ✓ 1 tablespoon white sugar
• + 1 tablespoon olive oil add to pantry
• + ⅓ cup red wine add to pantry
• + ½ teaspoon salt add to pantry
• ✓ ¼ teaspoon ground black pepper
• + 1 ½ cups beef broth add to pantry
• + ½ teaspoon dried thyme add to pantry
• + 1 tablespoon all-purpose flour add to pantry
• + 6 ounces Gruyere cheese, shredded add to pantry