Creamy Crab and Bacon Endive Boats

Name: Creamy Crab and Bacon Endive Boats
Ingredients: 1/2 cup mayonnaise; 1/2 cup sour cream; 2 tablespoons capers, drained and roughly chopped; 2 teaspoons Dijon mustard; 2 tablespoons minced shallots; 3 small inner stalks celery with leaves, finely chopped; 1 lemon, zested and juiced (about 1 tablespoon juice); Kosher salt; Freshly ground white pepper; 1 pound lump cooked crabmeat; 1/3 cup chopped fresh parsley, plus 1/2 cup fresh parsley leaves; 1/3 cup chopped fresh tarragon; 20 endive spears (3 to 4 endives); 4 strips cooked bacon, finely chopped