Recipe: Vegan Creamy Curried Cauliflower Soup

Name: Recipe: Vegan Creamy Curried Cauliflower Soup
Ingredients: 2 tablespoons extra-virgin olive oil, plus more to serve; 2 medium white onions, thinly sliced; 1/2 teaspoon kosher salt, plus more to season; 4 cloves garlic, minced; 1 large head of cauliflower (about 2 pounds), trimmed and cut into florets; 4 1/2 cups low-sodium vegetable broth or water; 1/2 teaspoon ground coriander; 1/2 teaspoon ground turmeric; 1 1/4 teaspoons ground cumin; 1 cup coconut milk; Freshly ground black pepper, to season; 1/4 cup roasted cashew halves, for garnish (optional, see Recipe Note); 1/4 cup finely chopped Italian parsley, for garnish (optional)