Roasted Cauliflower Chowder

Name: Roasted Cauliflower Chowder
Ingredients: 1 large head cauliflower (, washed and cut into florets); 2 tablespoons olive oil; pinch of salt; 2 tablespoons butter (, vegan/paleo: use olive oil); 1 medium yellow onion (, chopped); 2 cloves garlic (, minced); 2 medium carrots (, chopped); 2 celery ribs (, chopped); 1 large red bell pepper (, seeds removed and diced); 3 cups chicken broth (, vegetarian/vegan: use vegetable broth); 1 teaspoon chopped fresh thyme; 1 small bay leaf; 1/8 teaspoon freshly ground black pepper; 1 teaspoon salt; 1 cup heavy cream (, vegan/paleo: use cashew milk); 2 tablespoons chopped fresh parsley