Ingredients
¾ oz.    20 g Butter or margarine
1 large onion, finely chopped
1 lb      500 g.  sweet potatoes, peeled and roughly chopped
½ lb     250 g   potatoes, peeled and roughly chopped
2 tablespoons  freshly squeezed orange juice
1¼ pts  700 ml  vegetable stock
½ teaspoonful ground coriander
¼ pt     150 ml  milk
salt and freshly ground black pepper
 

Method

Melt the butter and cook the onion gently until soft in a covered saucepan, without colouring.

Add potatoes, sweet potatoes, juice, stock and coriander.

Cover, bring tot the boil and simmer for 30 mins. until vegetables are tender.

Cool a little and then puree with the milk in a liquidizer.

Taste for seasoning.

Reheat and serve. (with a cream garnish if  desired)