2 to 2.5 liters chicken or vegetable stock
1 Lurpak Mini Block (50g butter)
1 onion, finely chopped
2 garlic cloves, peeled and crushed
400g Arborio or Carnaroli rice
1 tsp saffron threads
Juice of one lemon
2 Lurpak Mini Blocks (100g butter), chilled and diced
100g Parmesan cheese grated