Mushroom risotto

Name: Mushroom risotto
Ingredients: 50g dried porcini mushrooms; 1 vegetable stock cube; 2 tbsp olive oil; 1 onion finely chopped; 2 garlic cloves finely chopped; 250g pack chestnut mushrooms chopped; 300g risotto rice such as arborio; 1 x 175ml glass white wine; 25g butter; handful parsley leaves, chopped; 50g parmesan or Grana Padano, freshly grated