Gruyère & vegetable soup recipe | Good Food

Ingredients

• 1 medium leek
• 1 medium carrot peeled
• 1 small potato weighing about 175g/6oz, peeled
• 1 stick of celery or half a small bulb of fennel
• 1 medium onion
• 50g butter
• 2 tbsp olive oil
• 4 sprigs of thyme stripped of their leaves or 2 pinches of dried thyme
• 2 tbsp plain flour
• 700ml vegetable stock or chicken stock (using a cube)
• 300ml milk
• 1 small head broccoli trimmed into small florets, stalk discarded
• small handful of flat-leaf parsley leaves, roughly chopped
• 140g gruyère coarsely grated