Mike van de Elzen: Kale stampot with smoky sausage

Ingredients

• 1 Rookwurst sausage or smoky sausage
• 1 Tbspn olive oil
• ¼ leek, cleaned and chopped
• 4 potatoes, peeled and chopped
• 2 carrots, peeled and chopped
• 6 large kale leaves
• 1 stock cube
• 2 cups water
• salt and pepper
• 1 can pears in syrup