On a medium heat pan, add vegetable cooking oil in and follow by onion. Fry until onion softened then add some courgette, carrots, leeks mushrooms, sweet potato and lentils in. Stir well.

Once all the vegetable have softened, add vegetable stock cube and concentrate tomato paste and mix well for about 5 min. Then add chopped tomato in. Stir well.

Keep adding some water bit by bit as lentils will keep absorbing the water the swell up. Leave it to cook for another 20-30 min until all the vegetable and lentils cooked softly. Seasoning with salt and pepper. Sprinkle some coriander before serve.