Heat a skillet on high heat. Add the ground beef and cook for 3 minutes, breaking it up until its cooked. Reduce to medium and add the diced onion and garlic. Cook for 1 minute then add in the tomato paste, worchestershire sauce, dried parsley, dried thyme, salt and pepper. Mix together and then sprinkle cornstarch on top of beef mixture. Mix in the beef broth and add in the frozen carrots, peas, and corn. Mix well, reduce heat to medium-low and cook with the lid on for 5 minutes.