For the rouille (real saffron aioli):
- Olive oil to panfry and marinate
- 80 grams onion
- 500 grams sliced onion
- 500 grams sliced fennel
- 3 garlic cloves
- 1 tbsp fennel seeds
- 140 grams tomato paste
- 1 litre white wine
- 2 litres chicken stock
- 500 grams marinated bones
- 500 grams blue swimmer crab
- Bouquet garni
- Pinch of cayenne pepper
- 100 grams Port Mahon Aioli
- 1 gram saffron powder
- Croutons to serve