How To Make Authentic Oysters Rockefeller

Ingredients

• rock salt
• 4 bacon slices
• 1/4 cup butter
• 1/2 cup all-purpose flour
• 2 cups frozen chopped spinach
• 1/2 cup finely chopped green onions
• 1/2 cup finely chopped fresh flat-leaf parsley
• 1/2 cup oyster liquor (reserved oyster liquid)
• 2 garlic cloves
• 1/8 teaspoon ground red pepper
• 1/4 cup Absinthe
• 3 dozen oysters in the half shell