Bring a large pot of water to a boil. Cook florets until crisp-tender, 5 minutes, then scoop into a large bowl of ice water to cool. Drain florets, then squeeze out as much water as possible with your hands.
Pulse broccoli in a food processor until finely chopped, then turn into a strainer and drain any liquid. Put in a medium bowl and stir in remaining ingredients. Season with more salt to taste.
Note: Nutritional analysis is per serving.