Exotic Crab Meat Salad

1/4 cup chili sauce
2/3 cup mayonnaise
1/2 cup lemon juice, divided
1/2 teaspoon salt
450-500g lump crab meat (or good quality canned crab meat)
1 cup chopped celery
1 cup chopped Brazil nuts
2 ripe avocados, sliced (Optional)

Combine chili sauce, mayonnaise, 2 tablespoons lemon juice and salt in a small bowl. Add crab meat, celery and nuts; mix lightly and refrigerate.  At serving time, spoon salad on lettuce.

(Optional) Garnish with avocado slices dipped in remaining lemon juice. Serves 4 to 6.