Preheat the oven to 200°C or 400°F. Line baking tray with parchment paper.
Dice the aubergines and halloumi into small cubes.
In a small dish add the aubergines and halloumi. Drizzle with olive oil and salt. Stir everything together and roast for about 20 minutes.
To make the dressing, in a small bowl mix together the olive oil, lemon juice, honey, dijon mustard, salt and pepper.
Combine all the ingredients together. Serve warm or cold.