Ingredient:

• 1 medium onion, finely chopped
• 1/2 cup butter, cubed
• 1 package (9 ounces) fresh spinach, torn
• 1 cup grated Romano cheese
• 1 tablespoon lemon juice
• 1/8 teaspoon pepper
• 2 pounds kosher salt
• 3 dozen fresh oysters in the shell, washed