Shrimp Rockefeller

Ingredients

• 12-15 large shrimp, peeled and deveined, tails removed
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 5 large scallop shells, for baking
• 2 tablespoons olive oil
• 1 small shallot, finely minced
• 3 cloves garlic, minced
• 2 teaspoons tomato paste
• 1/4 cup dry white wine
• 3 ounces fresh spinach, wilted and chopped
• 3/4 cup heavy cream
• 1/4 teaspoon salt
• 1/2 teaspoon crushed red pepper flakes (optional)
• 1/3 cup shredded Gruyère cheese
• 2 tablespoons fresh parsley, finely chopped, for garnish
• Lemon wedges, for serving
• 1/3 cup panko breadcrumbs
• 1 1/2 tablespoons butter, melted