Green Goodness Soup

Ingredients

• 3 tbsp butter or extra-virgin olive oil
• 1 large onion finely chopped
• 3 cloves garlic finely chopped
• 2 leeks white part and a little of the green, thinly sliced
• 1 bay leaf
• 1 tsp thyme leaves
• 4 small potatoes peeled and halved
• 8 cups chicken stock or vegetable stock
• 12 silverbeet leaves, stalks and leaves separated and chopped
• 12 kale leaves, stripped from stems and chopped
• 1/2 cup parsley leaves finely chopped
• 1 tbsp butter or extra-virgin olive oil
• salt and freshly ground black pepper to taste