Creamy Roasted Garlic and Mushroom Soup with Bacon

Name: Creamy Roasted Garlic and Mushroom Soup with Bacon
Prep time: 5 min
Cook time: 30 min
Total time: 35 min
Cuisine: American
Ingredients: 8 slices bacon, cooked and chopped; 1 bulb garlic (about 10 cloves); 1 teaspoon olive oil, extra to garnish; 1 tablespoon butter; 1 small yellow onion, diced; 2 small celery stalks, sliced; 14 ounces mixed mushrooms (see blog post for suggestions), cleaned and chopped; 2 tablespoons chopped flat-leaf parsley, extra for garnish; 1 tablespoon chopped fresh thyme or 1 teaspoon dried thyme leaves; 1 teaspoon sea salt, more to taste (this is the only salt I use); 1/2 teaspoon ground black pepper, more to taste; 4 1/4 cups chicken stock (I use this brand); 1/3 cup heavy cream