01 -
In a medium saucepan, combine water, sliced lemon, dill, parsley, bay leaf, and 1 teaspoon kosher salt. Bring to a gentle boil over medium heat.
02 -
Add shrimp to the simmering aromatic liquid and cook for 2–3 minutes, until shrimp turn opaque and curl. Use a slotted spoon to remove shrimp immediately and let cool completely.
03 -
Pat shrimp dry with a paper towel. Cut the cooled shrimp into small, bite-sized pieces.
04 -
In a large mixing bowl, combine diced shrimp, celery, scallions, chopped parsley, mayonnaise, lemon juice, remaining 1/2 teaspoon kosher salt, and black pepper. Fold until evenly coated. Refrigerate until ready to serve.
05 -
Preheat broiler to high. Brush both interior and exterior of brioche buns with softened butter. Arrange buns on a baking sheet and broil for 1–2 minutes, turning as needed, until golden brown. Watch closely to prevent burning.
06 -
Stuff each toasted bun generously with the chilled shrimp salad. Serve immediately.