2 ripe avocados, flesh only, cut into chunky dice
1 red chilli, deseeded and very finely chopped
2 tbsp chopped fresh coriander
2 garlic cloves, finely chopped
2 limes, juice only
2 shallots, chopped
2 bunches spring onions, thinly sliced
3 tomatoes, skinned, deseeded and finely diced
a little plain flour, for dusting
salt and freshly ground black pepper
pinch freshly grated nutmeg
2 tbsp olive oil
75ml/3fl oz olive oil
425ml/15fl oz double cream
3 free-range eggs, plus 2 egg yolks
40g/1陆oz freshly grated Parmesan
320g pack shortcrust pastry
3 dressed crabs or 450g/1lb white crab meat