Spinach and cauliflower soup

Ingredients

• 1/3 cup olive oil
• 2 leeks, white parts only, diced
• 4 clove garlic, sliced
• 1 bayleaf
• 2 tablespoon thyme, finely chopped
• 1/2 teaspoon nutmeg, freshly grated
• 1 cauliflower, cut into florets
• 1 litre chicken stock (homemade if you have it)
• 800 gram spinach, washed
• crème fraîche, to serve
• 1/2 cup chives, finely chopped, to serve