SERVES 4
Cut tomatoes in half crosswise. Sprinkle with salt, pepper, and garlic powder. Heat oil in small frying pan over medium heat. Add garlic and cook until garlic is golden brown, 1 or 2 minutes. Pour mixture into a heatproof bowl.Oil grill and set it to high heat. Place tomatoes, cut side down, on the grill and cook for about 3 to 5 minutes. Turn over and brush each tomato with oil and garlic mixture. (If using dried thyme flakes, sprinkle on each tomato). Cook for an additional 3 minutes. Do not overcook. Remove from grill and top with the fresh thyme and cheese. Serve immediately.