For the Crust:

• 1 pre-made pie crust (or homemade, if preferred)
• 1 egg wash (1 egg + 1 tablespoon water, beaten)

For the Shrimp Filling:

• 1 pound large Florida shrimp, peeled, deveined, and chopped
• 2 tablespoons butter
• 1/2 cup onion, finely chopped
• 1/2 cup celery, finely chopped
• 1/2 cup red bell pepper, finely chopped
• 2 cloves garlic, minced
• 1 teaspoon Old Bay seasoning
• 1/2 teaspoon smoked paprika
• 1/2 teaspoon cayenne pepper (optional for heat)
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1 tablespoon all-purpose flour
• 1/2 cup heavy cream
• 1/2 cup whole milk
• 1 teaspoon Dijon mustard
• 1 teaspoon lemon zest
• 1/2 cup shredded white cheddar cheese
• 1/4 cup Parmesan cheese

For the Topping:

• 1/2 cup panko breadcrumbs
• 1 tablespoon butter, melted
• 1/4 cup Parmesan cheese
• 1 teaspoon fresh parsley, chopped