In a separate, smaller bowl combine the mayonnaise, lemon juice, celery, parsley, scallion, hot sauce, and salt and pepper. Mix and taste for seasoning. Once you have the seasoning to your liking, add to the cooked lobster meat and mix.
Brush both sides of rolls with butter and toast both sides in a medium fry pan over medium heat until nicely browned.
Divide the lobster salad between each roll per your preference. Some serve lettuce under the lobster salad but we like it without, your choice.