Short Rib Ragu - Whole30, Paleo

lbs beef short rib (boneless or bone-in)

medium-sized onion (diced)

celery stalks (diced)

carrots (diced)

head garlic cloves ( smashed, left whole)

jars tomato passata

bay leaves

sprigs fresh thyme

kosher salt and black pepper

fresh basil leaves (roughly torn)

avocado oil