Cauliflower Chowder Recipe

Name: Cauliflower Chowder Recipe
Ingredients: 2 tablespoons butter; 1 small carrot, peeled and roughly chopped; 1 small white onion, peeled and roughly chopped; 1 stalk celery, roughly chopped; 2 cloves garlic, peeled; Small handful fresh flat-leaf parsley, plus extra for garnish; 1 large head cauliflower; 8 ounces potatoes, peeled and cut into small pieces; 5 cups vegetable or chicken stock; 1/2 cup thick Greek yogurt; Kosher salt, to taste; Freshly ground black pepper, to taste; Fried onions, for garnish; Shredded cheddar, for garnish