Creamy Cheesy Shrimp Dish with Buttery Topping - Zest Plate

Ingredients

• 2 pounds large shrimp, peeled and deveined
• 1 tablespoon Old Bay seasoning
• 1 tablespoon salt for cooking water
• 2/3 cup mayonnaise
• 1/2 teaspoon garlic powder
• 1/2 teaspoon ground black pepper
• 1 tablespoon butter, plus more to grease the pan
• 1/2 cup panko bread crumbs
• 4 ounces shredded mozzarella cheese
• 4 ounces shredded medium cheddar cheese