4. Reduce heat to low, cover, and simmer for 45 minutes to 1 hour, until the beef is tender.
5. Cook the noodles according to package instructions. Drain and set aside.
6. Add the cooked noodles to the beef mixture. Stir to combine. If you want a creamier texture, stir in the sour cream.
7. Simmer for a few minutes to let the flavors meld. Taste and adjust seasoning if needed.
8. Garnish with chopped parsley and serve hot.
