- 400g vine tomatoes
- 1 red onion
- A handful of thyme, leaves only
- 1 tbsp balsamic vinegar
- 1 lemon
- 1 avocado
- 100g watercress
- Sea salt
- Freshly ground pepper
- 3 tsp olive oil
- 1.
Heat your oven to 200°C/Fan 180°C/Gas 6. Slice the tomatoes into 1cm thick rounds.
- 2.
Halve, peel and thinly slice the onion. Strip the leaves from the thyme.
- 3.
Gently mix all the prepared veg and herbs together in a large bowl with a pinch of salt and pepper and 1 tbsp balsamic vinegar.
- 4.
Rub 1 tsp olive oil into a small ovenproof frying pan or baking dish. Arrange the tomatoes and onions in the dish in overlapping layers. Your tian should be about 3 tomato slices deep. Drizzle 1 tsp oil over the top, scraping in any excess juices from the bowl.
- 5.
Roast the tomato tian on the top shelf of your oven for 35 mins or till the tomatoes are caramelised and golden around the edges and on the top.
- 6.
Zest the lemon and squeeze out 1 tbsp juice. Whisk or shake in a jam jar with 1 tsp olive oil and a pinch of salt and pepper.
- 7.
Halve and de-stone the avocado. Strip the peel off. Chop the flesh into 1-2cm thick slices. Pluck out any woody stalks from the watercress. Toss the avocado and watercress with the dressing. Serve alongside your roast balsamic tomato tian.