Step 1

Heat 1/2 the oil in a large, heavy-based saucepan over medium-high heat. Cook pork, turning, for 5 minutes or until browned all over. Transfer to a plate.

Step 2

Heat remaining oil in pan. Add onion, garlic and lemongrass. Cook, stirring, for 5 minutes or until onion softens. Add curry paste. Cook, stirring, for 1 minute or until fragrant.

Step 3

Return pork to pan with lime leaves, coconut milk and 1 1/2 cups water. Bring to the boil. Reduce heat to low. Simmer, covered, for 1 hour or until pork is tender.

Step 4

Add pumpkin. Cook, uncovered, for 25 minutes or until pumpkin is tender. Add beans. Cook for 5 minutes or until tender. Discard lime leaves. Stir in sauce and juice. Top with coriander and basil. Serve with rice.