I think adding rice flour more that wheat flour will make it crispy.
Probably salt.
Yes
Crispy
Crispy is not a verb. Crispy is an adjective.
Its like making sushi with spicy sauce and fried oil in it
no one knows
you just skulpt it
One way that I've been told is that you need to soak the veg in brine overnight. Apparently, the salt will draw out the moisture from the veg and this will make the veg crispy.
about 20 minutes
add more breading
if you want to make the crust chewy try melting the butter in it a little for crispy you can pre bake the crust for a few minutes but not too long or else it will crumble