Creamy black trumpet risotto

Ingredients

• 50 g dried black trumpet mushrooms
• 1 liter vegetable stock
• 2 tablespoons olive oil
• 1 small onion, finely chopped
• 2 garlic cloves, minced
• 300 g Arborio rice
• 150 ml dry white wine
• 50 g Parmesan cheese, grated
• 2 tablespoons unsalted butter
• Salt and pepper, to taste
• Fresh parsley, finely chopped, for garnish