Step 1

Preheat oven to 350 degrees. Stir together lobster, mayonnaise, lemon juice, chives, chervil, 1 teaspoon salt, Old Bay, and cayenne in a large bowl.

Step 2

Split rolls across tops; brush generously with some of melted butter. Heat in oven on a baking sheet until warmed through, 3 to 5 minutes.

Step 3

Divide lobster salad among rolls, drizzle with remaining butter, sprinkle with more chervil, and serve.