Heat oven to 350 degrees. Generously grease and lightly flour fluted tube pan or bread pan. In a large bowl, cream together sugar and butter until light and fluffy. Add vanilla and eggs one at a time, beating until well blended after each addition. Combine flour, baking powder, salt and orange peel; add alternately with sour cream, beating well after each addition. Pour into prepared pan.
Bake at 350 degrees for 55-65 minutes. Cool completely. Dust with powder sugar. Wonderful served with mashed strawberries and whip cream.
From: Glorious Grub Cookbook By. Joan Stewart
Madagascar Vanilla (purchase at Chefs Catalog) Of all the vanilla's I've used this is my favorite. Once you've tried it you won't go back!