Heat olive oil in a large pot over medium heat.
Add ground beef and cook until browned, breaking it up as it cooks.
Stir in chopped onion and garlic; cook until soft and fragrant.
Season with salt, pepper, paprika, and thyme.
Stir in Worcestershire sauce and tomato paste until well combined.
Pour in beef broth and bring to a boil.
Add frozen vegetables and hash browns; simmer for 10–15 minutes.
Stir in heavy cream and cheddar cheese until melted and creamy.
Serve hot, garnished with fresh parsley if desired.