Carrot and Coriander Soup

WHAT YOU'LL NEED

• 2 tablespoons Flora Buttery
• 1 tablespoon vegetable oil
• 2 onions chopped
• 5 large carrots peeled and chopped
• 3 garlic cloves crushed
• 2 teaspoon ground coriander
• 1 Knorr Vegetable Stock Cube
• 1 large floury potato peeled and quartered
• 1 litre water
• 1 small bunch fresh coriander chopped
• 1/4 teaspoon ground black pepper
• juice of 1 lemon