Combine mayonnaise, sour cream, lemon juice, curry and Tabasco.
Fold in crabmeat, celery, chives, and apple.
Season to taste with sea salt and freshly ground black pepper.
With paring knife, cut tomato 1/4 inch from top (reserve tops).
With small melon baller, carefully scoop out pulp and seeds.
Sprinkle tomato shells lightly with salt.
Drain on paper towel 15 minutes.
Stuff tomato shells with crab filling.
Make sure to mound filling on top.
Cover tomato with reserved top.
(It's a hat for the tomato).