1. Cut the onion, green pepper and garlic into half-moon slices.
2. Sauté the onions and garlic in a pot until they turn golden, then add the pepper.
3. Turn down the heat, stir a little and cover for 2-3 minutes or until the pepper begins to turn transparent.
4. Pour the can of lentils into the pot and continue to sauté for about 5 minutes, stirring occasionally.
5. Add the stock and bring to a boil.
6. Blend the mixture in a blender or food processor and return to the pot.
7. Season with salt, pepper and a little curry powder.
8. Reheat for 7-10 minutes, then serve.