Finely chop all the veggies.
Prepare the Arrbbita sauce & cashew cheese as per the instructions, keep them aside.
Preparing the filling
Heat the pan, dry roast the garlic & celery for a minute.
Add all the veggies, salt & spices to the pan, mix well cook for 3-5 minutes.
Let it cool down.
Add cashew cheese & mix well.
Preparing the shells
Boil the water (1 liter or more) add shell pasta to it.
Cook till it looks 'al dente' ( "to the tooth"); it should not be overcooked/ mushy.
Stuff the cooked shells with the filling.
Preheat the oven at 180 C
In a glass baking dish, add the arrabbiata sauce, & drop all the shells carefully.
Drizzle the cashew cheese over the shells.
Bake for 10-12 minutes or till they look brown.
Garnish with parmesan cheese & julienne basil leaves before serving.Enjoy.