3 tbsp sunflower oil
1 pumpkin (2 pounds)
2 onions
1 large garlic clove
2 medium tomatoes
thumb-size piece fresh ginger
2 tsp curry powder
2/3 tbsp chili flakes
1/2 tsp ground cumin
1/2 tsp ground lemongrass (sereh)
1 tbsp mustard-seeds
1 cup vegetable broth
1 cup coconut milk
1/4 tsp dried mint
lime juice
coriander
salt