Cook the chopped cauliflower in boiling salted water for 20 minutes. Drain, process briefly and season.
Purée the rocket leaves with the juice of the lemon and the olive oil. Peel and slice the garlic and fry until it’s nice and golden. Sear the scallops on each side in olive oil.
Place a mound of the rough cauliflower purée on a plate, arrange three