Oysters Rockefeller - Great Easy Recipe

Ingredients

• 12 fresh oysters, shucked, shells reserved
• Rock salt or coarse sea salt (for serving)
• Lemon wedges (for garnish)
• 2 tbsp unsalted butter
• 2 cloves garlic, minced
• 2 shallots, finely chopped
• 4 cups fresh spinach, chopped
• ½ cup fresh parsley, chopped
• ¼ cup Pernod or white wine (optional)
• ½ tsp salt
• ¼ tsp black pepper
• ¼ tsp cayenne pepper (optional)
• ½ cup heavy cream
• ½ cup grated Parmesan cheese
• ¼ cup breadcrumbs (panko or fresh)
• 1 tsp lemon zest
• 1 tbsp olive oil (for crisping breadcrumbs)