1.Heat oven to 180C/160C fan/gas 4. Slice the tops off the tomatoes and reserve. Scoop out most of the pulp with a teaspoon, being careful not to break the skin. Finely chop the pulp, and keep any juices. Sprinkle the insides of the tomatoes with a little sugar to take away the acidity, then place them on a baking tray.
3.Stuff the tomatoes up to the brim, top tomatoes with their lids, drizzle with 2 tbsp more olive oil, sprinkle 3 tbsp water into the tray, then bake for 35 mins. Serve with salad and crusty bread, hot or cold.