Peel and dice 1 large sweet potato into small chunks.
Finely chop 1 red onion and 2 handfuls green beans.
Add to a large pan and infuse over medium heat for 1m:
Add the chopped vegetables to the pan and increase heat to high. Sauté for 2m. Finely chop and add 2 cloves garlic and 2cm ginger. Cook 1m longer.
Add 300ml veg stock. Bring to the boil, then reduce heat and simmer 10m.
Add and cook 5m:
When the sweet potato has softened, remove pan from the heat and stir in a generous handful of fresh flat-leaf parsley and 1 tbsp lemon juice. Season to taste.
From 15 Minute Vegan