Preparation:
1. Using food processor, process spinach, onion tops and parsley until fine.
2. Mix with celery, melted butter and lemon juice.
3. Half fill 6 pie plates with rock salt.
4. Place 6 oysters on half shell in each plate; cover each oyster with 1 teaspoon vegetable mixture.
5. Place plates under broiler; cook until edges of oysters curl, then serve immediately. |