- Combine the thyme, shallots, garlic and three tablespoons of olive oil.
- Stand one hour. Preheat the oven to 160 degC.
- Halve the tomatoes lengthwise and place, cut side down, in a shallow baking pan.
- Drizzle with the remaining oil and sprinkle with salt and pepper.
- Roast for 20 minutes. Carefully flip over and dot the thyme mixture over the top.
- Continue roasting for 15 to 20 minutes.