1.Preheat oven to 220C. Place tomato cut-side down on a baking tray, drizzle with oil, season to taste and roast until skin blisters (15-20 minutes). When cool enough to handle, remove skin (discard) and coarsely chop (reserve juices for sauce). Combine tomato in a bowl with burghul, stand until burghul has absorbed juices (5 minutes).
3. Meanwhile, for herb and garlic sauce, process ingredients and reserved tomato juices in a food processor to a coarse sauce consistency, season to taste and set aside.
4.Heat vegetable oil in a deep-fryer or large deep-sided saucepan, dust domatokeftedes in flour, then cook in batches (be careful, hot oil may spit) until golden and warmed through (3-5 minutes). Drain on absorbent paper, season to taste and serve hot with herb and garlic sauce.