Boil 2 cups water and put in chopped cauliflower in it for a couple of minutes. Remove and strain it.
Heat oil, Splutter mustard seeds and fennel seeds.
Add in chopped onions, ginger garlic paste and fry until raw smell goes off and onions turn pink
Put in the cauliflower pieces and mix well. Add salt, turmeric powder, chilli powder, cumin powder and garam masala.
Mix well, add little water and close and cook for 5-10 minutes or until cauliflower is cooked.
Open and cook for a minute or two to get it roasted a little.
Notes
If the cauliflower is big sized, then take 3/4th of it for this recipe to serve 4.It is better to put the cauliflowers in hot water for a minute or two before cooking them. However we clean in running water, there might be hidden worms.