Bloody Mary Crab Cakes

Name: Bloody Mary Crab Cakes
Ingredients: 3 tablespoons unsalted butter; 1/4 cup finely chopped celery, plus more for serving; 2 scallions, white and green parts, thinly sliced3 tablespoons prepared horseradish, drained slightly; Finely grated zest from 1/2 a lemon; Kosher salt and freshly ground pepper; 3/4 cup coarsely crushed crackers (recommended: Keebler Club); 2 to 3 tablespoons mayonnaise; 8 ounces lump or Dungeness crabmeat, picked over for shells; Celery leaves, for serving; 1/3 cup ketchup; 3 tablespoons prepared horseradish; 3/4 teaspoon Worcestershire sauce; Juice from 1/2 a lemon; 1/2 teaspoon hot sauce, or to taste