2 lemons (3 fl oz | 90 ml), zested and juiced separately
10 fl oz (300 ml) neutral oil
4 oz (115 g) smoked whitefish, deboned and flaked
1 small (4 oz | ½ cup | 115 g) red onion or shallot, cut into thin slices
Freshly ground black pepper
1 head (2 lb | 8 cups | 910 g) cauliflower, cored, cut into quarters, cut into thin slices
1 head (½ lb | 230 g) radicchio, cut into quarters and cored leaving the leaves as big petals
½ bunch parsley (1.2 oz | ¾ cup | 34 g), stemmed, leaves left whole
5 sprigs dill, stemmed, leaves left whole (optional)
½ cup (70 g) sunflower seeds, toasted
INSTRUCTIONS
In a food processor, whiz the egg, ½ tsp salt, and the zest and juice of 1 lemon. Slowly drizzle in the oil to make mayo. Add the whitefish to the mayo and blend until mostly smooth.
Combine the onion with the zest and juice of the second lemon, a big pinch of salt, and several grinds of pepper.
Toss the cauliflower, radicchio, parsley, and dill with the onion-lemon mixture and a pinch of salt.
Drizzle with the whitefish mayo and top with the sunflower seeds.