Pat dry short ribs with paper towels and seasoning liberally with salt & pepper on all sides
In a cast iron skillet, heat oil on medium high heat until hot
Sear ribs on all sides until brown, about 3 minutes per side
Remove ribs and turn heat to medium
Sauté onions & carrots until fragrant, about 2 minutes
Season to taste with salt, pepper, all spice
Add tomato paste & garlic and stir until combined
Deglaze pan with beef broth and scrape all the brown bits off the bottom of the skillet
Turn off heat and transfer short ribs to instant pot
Pour braising liquid over the ribs and add bay leaves, fresh thyme and more beef broth, tomato sauce, salt and pepper
Give everything a good stir until well combined
Cook on high pressure for 60 minutes, natural release
Once pressure is released, remove short ribs from liquid, bone should easily slide away from meat and the meat should be falling apart and very tender
Discard bones and shred meat
Separate the fat from the liquid
Use an immersion blender to smooth out the sauce if desired
Combine 1 cup of sauce with 1 cup of tomato sauce and allow it to simmer
To the liquid add Agour Ossau Iraty 12 Month cheese, butter heavy cream & Worcestershire sauce
Mix well and allow it to simmer until thickened
Once thickened, add shredded short rib meat to the sauce
Cook Frankies 457 Organic Rigatoni Pasta according to package instructions
Combine pasta & meat sauce in the instant pot
Serve hot with Agour Ossau Iraty 12 Month cheese to taste