crack two parts of salt and one part of pepper in a small bowl
season the meat on all sides with the mixture and make sure to pat it in so that it adheres to the surface
rest them for 5-10 minutes on the counter before you sear them off
in a large cast iron pot running on medium heat 230℃-446℉ add avocado oil and then sear the meat
do not overcrowd the pot because the meat will start boiling, so do it in batches
let them cook until the meat gets a good dark brown sear and don't forget the sides
once ready take the meat out and then add the finely chopped red onions
add the relatively small diced carrots
add the finely chopped celery and stir them up until the ingredients are soften up
create space in the middle and add the finely chopped garlic
add the tomato paste, mix it in and let it fry until it becomes fragrant
add the red wine to deglaze the pan
add the San Marzano tomatoes and bring it back to a boil
add the meat
add a couple of rinds from parmesan that you have grated previously and let it simmer until it's finished, then you will remove them
add the bay leaves
add the thyme and don't take the leaves off
cover the pot with the lid and put it in the oven running at 160℃-320℉
let it simmer for 3 hours
take the parmesan rinds out and the thyme twigs
take the meat out and make sure to remove the silver skin and the bones, then shred it
add the shredded meat in the pot and place it on the stove to heat it back up to taste for salt and pepper
ready to serve with pasta