Heat the butter in a large soup pot

Heat the butter in a large soup pot over medium heat. Add the onion and garlic and cook, covered, stirring occasionally, until soft, about 7 minutes. Add the carrots and cook, covered, stirring occasionally, until somewhat tender, about 3 minutes more.

Pour in the broth and the sugar. Season the soup with the salt. Bring to a boil, lower the heat, and simmer, covered, until the carrots are very soft, about 30 minutes

Read more at: http://www.foodnetwork.com/recipes/food-network-kitchens/carrot-soup-recipe.html?oc=linkback