Cut lobsters in half lengthwise. Crack claws. Remove lobster meat from the shells and cut into large cubes. Reserve shells. Heat cream sauce, season to taste with a little dry sherry, dry mustard, cayenne pepper, Worcestershire sauce, salt, and pepper. Simmer gently for 2 minutes, add diced lobster meat and heat through. Fill lobster shells with mixture, sprinkle grated Parmesan cheese over top, dust with paprika, dot with butter and brown under grill.{$7e}(Original recipe for 4)