Add the mayonnaise, grated Parmesan, minced anchovies, garlic, lemon juice, stone-ground mustard, and salt. Stir until the ingredients are thoroughly combined and the dressing is smooth and creamy.
½ cup mayonnaise, 3 tablespoons freshly grated parmesan cheese, 3 anchovy fillets, 2 cloves garlic, 1 tablespoon fresh lemon juice, 1 teaspoon stone-ground mustard, ½ teaspoon salt