Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3      tablespoons   unsalted butter
     1/2  cup           brown sugar
   3                    carrots -- grated
   1                    egg
   1      cup           flour
   1      teaspoon      baking powder
   1                    orange plus extra for garnish -- zest of
   1                    orange -- juice of
     1/3  cup           chopped walnuts
     1/3  cup           raisins
     1/2  cup           sour cream
     1/2  cup           plain yogurt
   2      tablespoons   powdered sugar
   2      tablespoons   dark rum
                        cinnamon and orange zest for garnish

Preparation:

Preheat oven to 400. Melt butter and add egg, brown sugar, and grated carrots to mixing bowl. Mix well. Add flour, baking powder, orange juice and zest, walnuts and raisins. Mix thoroughly until dough forms. Pour mixture into buttered baking dish and spread across pan. Let bake 12 minutes. Sauce: To sour cream, add powdered sugar and fold in yogurt and rum. Garnish cake with rum sauce, orange zest, and cinnamon.