The Best Ever Classic Meatloaf

Name: The Best Ever Classic Meatloaf
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American, World Cuisine
Ingredients: ½ medium onion (chopped); 1 teaspoon olive oil; 2 large eggs; ¾ cup whole milk; ¾ cup seasoned bread crumbs; 2 pounds ground beef (80/20); 1 tablespoon chili sauce (or ketchup); 1 teaspoon dried Italian herbs; 2 tablespoons fresh parsley (chopped); 1 teaspoon salt (adjust to taste); ½ teaspoon black pepper; ½ cup chili sauce; ½ cup ketchup; 2 tablespoons brown sugar (optional)