Preheat the oven to 225 °C top and bottom heat and line a baking tray with baking paper.
Remove the aubergine stalk and cut the aubergines into pieces.
Spread the aubergine cubes on the baking tray, drizzle with a little olive oil and sprinkle with a pinch of salt and mix together briefly. Then cook in the oven for approx. 25 - 30 minutes.
Peel and dice the onions and garlic.
Halve the cherry tomatoes, quarter the other half.
Chop coriander
Put the rice in a fine sieve and wash under running water until the water is no longer milky.
Heat the olive oil in a saucepan over a high heat and sauté the chopped onions and garlic for about 5 minutes.
Add the tomatoes, coriander and 1/2 tsp salt and sauté for another 5 minutes.
Add the tomato paste (and optional harissa) and fry for about 2 minutes.
Add the rice, mix everything together briefly, stir in the spices and deglaze with vegetable stock.
Bring to the boil briefly and then turn down to the lowest setting, put on the lid and cook for approx. 20 - 25 minutes. Stir carefully in between.
Coarsely chop the parsley.
Serve the rice and garnish with roasted aubergine cubes and parsley.
Optional: Serve with a dollop of (vegetable) yoghurt.