In a small bowl, whisk together mayonnaise, Dijon mustard, lemon juice, and Worcestershire sauce until smooth.
Stir in hot sauce, parsley, and red bell pepper. The color should look inviting, not cafeteria-lunch gray.
Season with salt and pepper. Taste and adjust: more lemon for zing, more hot sauce for attitude.
Chill the sauce for at least 15 minutes if you have the time. Cold sauce hugs the crab cake better and wakes up the flavors.
Serve alongside warm crab cakes or dollop on top for that dramatic “chef’s kiss” moment.