01 -
In a large mixing bowl, combine the finely chopped celery, red onion, and red bell pepper. Add the cooked shrimp and crab meat to the bowl with the vegetables. If using lump crab, be gentle to keep some of those beautiful chunks intact.
02 -
In a separate smaller bowl, whisk together the mayonnaise, sour cream, Dijon mustard, fresh lemon juice, and Old Bay seasoning until smooth and well combined. Season with salt and pepper to taste, keeping in mind that seafood and Old Bay already have some saltiness.
03 -
Pour the creamy dressing over the seafood and vegetable mixture. Using a large spoon or rubber spatula, gently fold everything together until all ingredients are evenly coated with the dressing. Be careful not to stir too vigorously, especially if using real lump crab meat, to maintain the texture of the seafood.
04 -
Cover the bowl with plastic wrap and refrigerate for at least 30 minutes (or up to several hours) to allow the flavors to meld together. When ready to serve, give the salad a gentle stir, then transfer to a serving dish or individual plates. Garnish with the fresh chopped dill or parsley and serve with lemon wedges on the side for an extra burst of brightness.