Heat oil in large pot, sauté onion and garlic for 5 minutes. Add soaked and drained split peas, tomato paste, stock concentrate, sweet potato and water or stock.
Bring to the boil. Add basil leaves and seasonings cover and simmer for 40 minutes until potatoes and peas soften. Allow to cool slightly, then puree soup in a blender.
. Return to pot to reheat for serving. Garnish with a swirl of low fat plain yoghurt and a basil leaf.
Prep 10 minutes
Cook 40 Mintues