Cut cauliflower into bite sized florets,boil water with a tsp of salt and keep this florets immersed till need
Heat a pan with oil,season with fennel. Add chopped onion,coriander leaves and fry till transparent.
Add chopped tomatoes,fry till mushy and add all the masala powders along with salt.
Grind the cashews with little water,add it to the onion tomato and give it a fry for 2 minutes in medium low flame. Add the cauliflower drained from water.
Sprinkle some water and cook covered until the cauliflower gets cooked. Let the masala be neither too dry nor too runny.
To make dosa, spread the dosa thin and cook until crisp in medium flame with little oil drizzled over.. No need to flip the dosa, just spread little masala over one half and close by covering the other half of the dosa over the masala.