Heat oil in a large saucepan over medium-low heat. Add onion and cook, for 5 minutes or until soft. Then add garlic, curry powder and stir.
Add pumpkin, lentils and stock cubes dissolved in the water. Bring to the boil then reduce heat to low and simmer for 20 minutes or until the pumpkin and lentils are soft.
Set aside to cool slightly then blend. Serve with yoghurt, coriander and enjoy with some bread!