Mushroom Risotto

Name: Mushroom Risotto
Ingredients: 6 cups chicken stock; 8 dried porcini mushrooms, rinsed clean; 3 tbsp. unsalted butter; 1 large yellow onion, minced; 2 cups Arborio rice; 1 cup dry white wine; 2 lb. mixed mushrooms, such as chanterelles, cremini, hen of the woods, oyster, and porcini, cut or torn into bite-size pieces; 1⁄3 cup olive oil; 1 tbsp. roughly chopped thyme; 6 cloves garlic, unpeeled; Kosher salt and freshly ground black pepper, to taste; 8 oz. crème fraîche; 1⁄2 cup grated parmesan