- 12 Gulf oysters on the half shell, approx. 18 oz (510 g) shucked meat - 6 tbsp (85 g) unsalted butter, softened - 3 cloves (9 g) garlic, minced - 3 tbsp (45 ml) finely chopped green onions (scallions) - 3 tbsp (45 ml) Worcestershire sauce - 2 tbsp (30 ml) fresh lemon juice - 2 tbsp (30 ml) hot sauce (optional) - 1/4 cup (25 g) finely grated Parmesan cheese - 2 tbsp (30 ml) chopped fresh parsley - 1 tbsp (15 ml) olive oil - Salt and freshly ground black pepper to taste - Lemon wedges, for serving
1. Prepare the compound butter by combining the softened butter, minced garlic, chopped green onions, Worcestershire sauce, lemon juice, hot sauce (if using), parsley, olive oil, salt, and pepper in a bowl; mix until smooth and refrigerate to firm slightly. 2. Preheat a gas or charcoal grill to medium-high heat (about 450–500°F / 230–260°C). Arrange oysters on a grill-safe pan or directly on the grill grates nestled in rock salt or an inverted baking sheet to keep them level. 3. Spoon about 1 tsp of the compound butter mixture onto each oyster and sprinkle with a little grated Parmesan. Place pan or oysters on the grill and close the lid. 4. Grill until the oyster edges begin to ruffle and the butter is bubbly and slightly browned, about 5–7 minutes. Watch carefully to avoid overcooking. 5. Remove oysters from the grill, transfer to a platter, garnish with extra parsley and lemon wedges, and serve hot.
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