Potato Soup

WHAT YOU'LL NEED

• 2 tablespoons olive oil
• 2 medium onions chopped
• fresh rosemary twig
• 1 clove garlic roughly chopped
• 6 medium potatoes peeled chopped
• 1 litre Knorr Vegetable Stock Cube
• 250 ml double cream
• 500 ml milk
• 100 grams smoked salmon finely chopped
• freshly ground pepper
• chopped dill or chives for garnish