Heat the oven to 180°C fan/gas 6. Halve the courgettes lengthways, score cut sides, drizzle with oil, and season. Roast for 30 minutes.
STEP 2
Mix shallot with salt, lime juice, and water. Set aside to quick-pickle, stirring occasionally.
STEP 3
Combine chickpeas (with liquid), tamarind, lime zest, garlic, and coriander in a bowl. Season with salt. Spoon onto courgettes and roast for another 10 minutes.
STEP 4
Serve with yogurt, pickled shallot, and coriander leaves.