Mini Crab Cakes and Cajun Tartar

Name: Mini Crab Cakes and Cajun Tartar
Ingredients: 3/4 cup mayonnaise; 3 tablespoons sweet relish; 1 teaspoon hot sauce, such as Tabasco; 1/2 teaspoon salt; 1/4 teaspoon freshly ground black pepper; 2 teaspoons Cajun seasoning; 1/2 teaspoon white vinegar; 2 tablespoons salted butter, melted and cooled; 2 large eggs; 3 tablespoons sour cream; 2 tablespoons coarsely chopped fresh parsley; 1 teaspoon freshly grated lemon zest; 2 tablespoons freshly squeezed lemon juice, plus wedges for serving; 3 to 4 dashes hot sauce; 1/2 teaspoon Worcestershire sauce; 1 1/2 teaspoons Old Bay seasoning; 1 tablespoon capers, drained and chopped; 2 stalks celery, finely chopped; 1/2 teaspoon salt, plus more for sprinkling; 1 pound lump crab meat; 3/4 cup panko breadcrumbs (see Cook's Note); 1/4 cup vegetable oil