Asparagus and cashew thoran

Name: Asparagus and cashew thoran
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: Asian, Indian
Ingredients: 750 grams asparagus; 2 tablespoon rapeseed oil; 10-15 fresh curry leaves; 1/2 teaspoon cumin seeds; 1 red onion; 2 cm ginger; 1 green finger chilli; 4 medium-sized ripe tomatoes; A big handful of roasted cashews; 3/4 teaspoon salt; 1 tablespoon lemon juice; 4 tablespoons desiccated coconut