Heat oil in a large deep frying pan over medium-high heat. Cook lamb, in batches, for 3 mins each side or until browned. Transfer to a plate.
Add onion to pan. Cook, stirring, for 3 mins or until starting to brown. Add curry paste and cook, stirring, for 1 min or until fragrant. Add coconut milk, fish sauce and sugar. Bring to a simmer. Return lamb to pan. Cover and reduce heat to medium-low. Simmer for 40 mins or until lamb is almost tender.
Add potato and carrot to pan. Cook, covered, for a further 15 mins or until lamb and vegetables are tender.
Divide rice and curry among serving bowls. Top with bean sprouts, coriander and chilli.
Serving size: 4
Recipe courtesy of taste.com.au