Grease and dust with cocoa a 9" bundt pan. Preheat oven to 350 degrees. Sift the dry ingredients together. In a large bowl cream the butter and sugar together until light and fluffy. Add the eggs one at a time. Stir in vanilla. Stir in flour just until it disappears. Pour into prepared pan. Bake for 45 minutes or until a toothpick comes out clean. Cool for 10 minutes then turn out onto a cooling rack. Cool completely.
Mix glaze ingredients together until smooth. Add more cream if necessary. Drizzle over cake.
