small square cedar plank, soaked in water for 1 hour
Preheat grill to medium-high heat.
Add raspberries, red wine vinegar, brown sugar, and pinch of red pepper flakes to a medium saucepan and bring to a boil over medium heat. Simmer for 25 minutes until thick.
Put the wheel of brie in center of the cedar plank. Scoop the raspberry syrup on top. Place cedar plank with cheese away from the flames on the grill. Cover the lid and cook for 20 minutes until the brie is soft and oozy to the touch. Remove from the grill and serve directly from the plank with crackers alongside.