Green baked risotto with mozzarella

Ingrediënten

• 100ml olive oil
• 2 onions, finely chopped (250g)
• 300g rainbow or swiss chard, leaves stripped from stems and stems thinly sliced
• 5g thyme leaves, roughly chopped
• 1 litre chicken or vegetable stock
• 3 garlic cloves, peeled
• 1 lemon, zest thinly shaved to get 6 strips, wedges to serve
• 200g risotto rice
• 125g buffalo mozzarella
• 1–2 tbsp double cream, to serve (optional)
• Fine sea salt and black pepper