Preheat oven – Set oven to 375°F (190°C). Grease or line a loaf pan.
Mix meatloaf base – In a large bowl, combine beef, breadcrumbs, onion, garlic, eggs, milk, Worcestershire, salt, pepper, parsley, and thyme. Mix gently until combined (don’t overwork).
Shape loaf – Transfer mixture to the prepared pan and shape into a loaf.
Prepare glaze – In a small bowl, whisk together ketchup, brown sugar, and Dijon mustard. Spread half over the top of the loaf.
Bake – Bake for 40 minutes. Spread remaining glaze on top and bake an additional 15 minutes, or until internal temp reaches 160°F (70°C).
Rest & serve – Let rest 10 minutes before slicing. Garnish with fresh parsley and serve warm.