Toss 1 head cauliflower florets with 1/2 teaspoon each turmeric and kosher salt. Combine with 2 cups water and 2 smashed garlic cloves in a pot over high heat. Bring to a boil, then cover and simmer until soft, 10 to 15 minutes. Drain and pulse in a food processor. Add 2 tablespoons coconut oil and puree. Season with salt and pepper; top with chopped parsley.