Savory Quick Mung Dal with Prawns in 30 Minutes

Ingredients

• 1 cup mung dal (yellow split mung beans) (200g)
• 4 cups water (960ml)
• 1 tablespoon vegetable oil (15ml)
• 1 teaspoon cumin seeds (5g)
• 1 medium onion, finely chopped
• 2 cloves garlic, minced
• 1-inch piece ginger, grated
• 2 medium tomatoes, chopped
• ½ teaspoon turmeric powder (2g)
• 1 teaspoon garam masala (5g)
• Salt, to taste
• 1 pound large prawns, peeled and deveined (450g)
• 1 tablespoon lemon juice (15ml)
• ¼ teaspoon red chili powder (optional) (1g)
• Fresh cilantro, chopped
• Lime wedges (for serving)