Barbecued Oysters | Saveur

Ingredients

• 2 tbsp. vegetable oil
• 1 small onion, peeled and chopped
• 2 cloves garlic, peeled and crushed
• 1 tbsp. fresh ginger, peeled and coarsely chopped
• 2 tbsp. fresh lemon juice
• 1 1⁄2 cups ketchup
• 1 tsp. dry mustard
• 16 oysters, scrubbed and shucked, in the half-shell
• 8 tsp. melted butter