Roasted Cauliflower Corn Chowder

Name: Roasted Cauliflower Corn Chowder
Ingredients: 1 large head cauliflower (cut into florets (approximately 5 cups)); 3 tablespoons olive oil (divided); 6 strips bacon (cut into ½-inch pieces); 1 cup diced white or yellow onion; 1 cup peeled and diced carrot; ½ cup diced celery; 2 teaspoons minced garlic; 1 teaspoon salt, (plus additional to taste); 1 teaspoon dried thyme; 4 cups low-sodium chicken broth; 1 bay leaf; 1½ cups milk (I used 2% reduced fat); 1 cup fresh or frozen corn; ⅓ cup shredded Parmesan cheese (plus additional for garnish); fresh ground black pepper (to taste); fresh chopped parsley (for garnish)