1

Heat butter in large saucepan. Cook onions in the butter over low heat for 25 minutes or until tender, stirring occasionally. Add carrots and broth to the onion mixture and mix well. Simmer for 30 minutes or until the carrots are tender, stirring occasionally. Reserve 1 cup of the broth.

2

Remove solids to a blender or food processor using a slotted spoon. Add a small amount of the hot mixture and process until puréed. Return the purée to the saucepan and mix well. Stir in orange juice and reserved broth. Season with salt and pepper and stir in the orange zest. Simmer just until heated through, stirring occasionally. Ladle into soup bowls and sprinkle with cinnamon.