A bit of fish sauce is good, too. Threw some rinsed oysters on whole, waited for them to crack open, detached the oyster from the shell, spooned the butter sauce over, and placed back on the grill till the butter bubbled. It’s now time to bring your cuisine to new depths with grilled oysters! It's amazing on raw oysters, but also truly shines when drizzled over grilled oysters. Read more Grilled Oyster with BBQ Sauce Recipe for Traeger. Spoon about 1 teaspoon of your chosen sauce on top of each oyster. Brush the cooking grates clean. The Traeger is a capable of so much more than you imagined. Grill the oysters, shell sides down, over high heat, with the lid closed as much as possible, until the oyster juices start to bubble and the edges curl, 2 to 4 minutes. Peel and mince 1 small shallot and stir it into 1/2 cup cider vinegar, along with 1 to 2 tablespoons brown sugar, 1/4 to 1/2 teaspoons red chili flakes, and salt to taste. Using tongs, carefully remove the oysters from the grill. These are seriously fantastic. I made the sauce exactly as the recipe stated above. Grilled on a Santa Maria style BBQ pit with red oak wood.