Steam the sprouts till they are soft.. Then grind them coarsely and add all the other ingredients (except oil) to it. Prepare a dough. Take a small portion out of it and give a round tikki shape.
Refrigerate for a couple of minutes. Heat 2 tbsp. oil and shallow fry the tikkis in batches till golden brown on both sides.
Drain on a kitchen towel and serve them hot with kasundi (Bengali mustard sauce), green chutney or tomato ketchup.