Celeriac and spinach soup | Reader's Digest Asia

Ingredients

• 2 tablespoons extra virgin olive oil
• 1 large onion, thinly sliced
• 1 clove garlic, crushed
• 1 celeriac, about 600 g, peeled and grated
• 1 litre boiling water
• 1 vegetable stock cube, crumbled, or 2 teaspoons vegetable stock powder
• 500 g baby spinach leaves
• freshly grated nutmeg
• salt
• pepper
• 4 tablespoons pouring cream
• fresh chives