Carrot And Orange Soup
["4 Tbsp. butter", "2 c. finely chopped onions", "12 large carrots, peeled and chopped", "4 c. chicken broth", "1 c. orange juice", "grated fresh orange zest"]
["Melt butter in a large pot.", "Add onions.", "Cover and cook over low heat until tender, about 25 minutes.", "Add carrots and broth. Bring to a boil.", "Reduce heat.", "Cover and simmer until carrots are very tender, about 30 minutes."]
["butter", "onions", "carrots", "chicken broth", "orange juice", "orange zest"]