01 -
Chop the onion, carrots, and celery into large pieces
02 -
Add the chopped veggies, broth, and Parmesan rind to a big pot. Heat until boiling, then simmer on low heat for 20–30 minutes, lid on, until veggies soften
03 -
Take out the veggies, blend with roughly ½ to 1 cup broth until creamy. Be careful with the hot mix
04 -
Pour the blended veggies back into the pot. Stir in the pastina and cook for 7–9 minutes until the pasta is done
05 -
Turn the heat off, add grated Parmesan, and season to taste with salt and pepper
06 -
If you'd like, sprinkle some parsley over the top before serving