Creamy Kielbasa Potato Soup with Cheddar and Fresh Herbs

Ingredients

• 1 tablespoon olive oil
• 300 g kielbasa sausage, cut into bite-size pieces
• 1 medium onion, diced
• 1 medium carrot, diced
• 2 celery ribs, diced
• 4 garlic cloves, finely chopped
• 1/2 teaspoon red chilli flakes
• 750 g potatoes, peeled and cubed
• 1 1/4 litres chicken stock
• 300 ml full-fat milk
• 100 g cheddar cheese, grated
• 30 g fresh parsley, roughly chopped
• Salt
• pepper