New England Crab Rolls

Name: New England Crab Rolls
Yield: 2 Servings
Ingredients: 6 tablespoons mayonnaise; 1 tablespoon fresh lemon juice; 1 teaspoon grated lemon peel; 1/8 tablespoon cayenne pepper; 3/4 pound fresh crabmeat, picked over; 3 tablespoons finely chopped green onions; 2 tablespoons (1/4 stick) butter, room temperature; 4 hot dog buns, sides split open; 4 red leaf or Bibb lettuce leaves