Clean and wash the cauliflower, cut the florets from the stems. Cook the florets in boiling salted water for 6-8 minutes. Pour into a sieve, quench and drain.
Boil the eggs in boiling water for 7-8 minutes until soft. Drain, rinse, peel and halve the eggs.
Meanwhile, fry the bacon in a pan without fat in portions while turning, remove from the pan and drain on kitchen paper. Put oil into the hot pan, heat it up, add sugar and caramelise briefly.
Add mustard and stir in. Deglaze with vinegar, bring to the boil and simmer at medium heat for 2-3 minutes.
Season to taste with salt and pepper. Peel onions and cut them into thin slices. Clean and wash the rocket and drain well. Mix cauliflower, onions, rocket, herbs and vinaigrette.
Arrange salad in deep portion bowls. Spread 2 egg halves and some bacon on each, sprinkle with pepper.