Cream butter. Gradually beat in sugar until fluffy. Add eggs one at a time, beating after each addition. Stir in vanilla and orange peel. Combine flour, baking powder and salt. Add to creamed mixture, alternately with sour cream and beat until blended. Fold in cranberries. Pour into greased fluted tube pan. Bake at 350 for 65-70 minutes until "pick" comes out clean. Cool in pan for 10 minutes; remove to wire rack.
Vanilla Butter Sauce
1 cup Sugar
1 tbsp All Purpose Flour
1/2 cup Half and Half Cream
1/2 cup softened Butter
1/2 tsp Vanilla Extract
In small saucepan, combine sugar and flour. Stir in cream and butter; bring to boil over medium heat, stirring constantly. Boil for 2 minutes. Remove from heat; stir in vanilla. Serve warm over cake.