Preheat oven to 200 degrees C.
Arrange the tomatoes in a baking dish. Drizzle with olive oil and toss to coat. Add the garlic, thyme, crushed red pepper flakes, salt, and pepper.
Roast for 20-30 minutes till slightly wilted. Remove from the oven.
Carefully transfer tomatoes to a plate, spreading them out in a single layer.
Place the burrata on top of tomatoes.
Dallop with the pesto and drizzle 2 tablespoons of good extra virgin olive oil all over the plate. Sprinkle with salt and black pepper.
Garnish with some fresh basil and serve with crusty bread on the side!