Black lentil tarka salad

Name: Black lentil tarka salad
Prep time: 30 min
Cook time: 10 min
Total time: 40 min
Cuisine: Asian, Indian, Middle Eastern
Ingredients: 400g tin chickpeas (preferably black chickpeas), drained; 400g tin black beans, drained; 250g pouch cooked beluga lentils, drained; small handful coriander, roughly chopped; ½ lime, juice only; 50ml/2fl oz sunflower oil; 1 green chilli, finely chopped; 1 small red onion, finely chopped; 3 garlic cloves, minced; 30g/1oz fresh root ginger, peeled and finely grated; 1 tsp black mustard seeds; 2 tsp cumin seeds; 1 tsp nigella seeds; 10 dried curry leaves; 1 tsp fine sea salt