Rinse crabs with water. Gently pull
away round hard shell on top. With small sharp knife gently cut
away the gray spongy tissue and discard. Rinse crabs with water.
Cut off claws and legs. Pound claws lightly with back of cleaver
to break shell. Chop down center of crabs to cut body in half. Cut
each half crosswise into 3 pieces.
Cut onions into 1-inch
pieces. Remove seeds from bell pepper; cut pepper into thin strips.
Pare ginger root. Cut ginger into thin slices, then cut the slices
into very thin strips. Combine 1/2 cup of the water, the sherry,
sugar, bouillon and soy sauce.
Combine remaining 1/4 cup
water and the cornstarch; blend well.
Heat oils in wok over
medium heat. Stir fry ginger in the oils 1 minute. Add cut-up crabs.
Stir fry 1 minute. Add sherry mixture and pepper to crab. Stir fry
over high heat until liquid boils. Reduce heat to low. Simmer covered
4 minutes. Uncover and stir in cornstarch mixture. Cook until sauce
thickens. Add onions. Cook and stir 1 minute.