30g (2 tbsp)butterunsalted (or 2 tablespoon olive oil for vegans)
1onionfinely chopped
1largecarrotfinely sliced
1largeleekouter leaves discarded, finely sliced
1smallturnip or large potatofinely chopped into cubes
1tablespoonfrench beanschopped (see notes)*
1litre / 1.75 pintswater
2ripetomatoeschopped (optional)
2tablespoonfresh peas from the pod(if fresh in Spring - optional)
1 teaspoonsalt
freshly ground black pepperaccording to taste
1tablespoonfresh tarragon or chervil leavesfinely chopped (or ½ teaspoon fennel seeds)
1tablespoonfresh parsley leavesfinely chopped
Instructions
In a large pan, gently melt the butter over a medium heat (don't allow it to brown). Sweat the chopped onion and carrot for about 5 minutes.
Add the leek, turnip/potato, water, salt and pepper. Bring briefly to the boil, skimming off any impurities (foam) then immediately reduce the heat, cover but allow a little air to escape. Add the cauliflower, green beans and parsley stalks. Simmer for up to 15 minutes and cook until the vegetables are softened.
Add the tomatoes, peas (if using), and chopped fresh herbs. Cook for no more than a minute to retain the flavours and vitamins.
Notes
To Serve: add an extra knob of butter and season to your taste.Puréed Vegetable Soup: If you prefer your soups smooth, then liquidise in part with a hand blender or food processor.Vegetable Broth Alternatives: Adapt vegetables according to what's in season. As I personally don't like celery, I have replaced one stalk of it with a small turnip (French navet). Fresh peas from the pod are delicious, as are mini broccoli florets.Stock: vegetable or chicken stock can be used in place of the water but it's not necessary when using the fresh herbs.