Season short ribs generously with salt and pepper.
Heat olive oil over medium heat in a Dutch oven pot.
Sear ribs on all sides till golden brown. Remove ribs from the pot.
Sauté onion, celery and carrots until they soften, about 5 minutes.
Add garlic and sauté till fragrant, about 1 minute.
Deglaze pot with the wine scraping up any browned bits in the bottom of the pot. Bring to a simmer.
Add beef broth, bouillon, crushed tomatoes, tomato paste, cheese rind, salt, pepper, basil, oregano, garlic powder, onion powder, bay leaves, and bundle of thyme.
Stir to combine everything. Return ribs to the pot and bring to a boil.
Cover pot, reduce heat to low and simmer for 2 1/2-3 hours, stirring occasionally.
Remove ribs from the pot.
Fish out bay leaves, thyme bundle, Parmesan rind and discard.
Remove meat from rib bones and break into shreds.
Return shedded beef to the pot and simmer on low for another 35-45 minutes uncovered, to thicken the sauce.
Cook pappardelle pasta according to package directions. Drain.
To serve: Place a generous scoop of the beef ragu on top of a mound of the cooked pappardelle pasta. Garnish with a sprinkle of Parmesan cheese and freshly chopped parsley.