- Preheat oven to 325 degrees. Butter Frankfort Ring mold. 
- Sift together the dry ingredients. 
- Add eggs, oil, sugars, and vanilla. Stir until combined. 
- Add zucchini and walnuts, and mix well. 
- Pour batter into prepared pan. 
- Bake 50-60 minutes, or until tester inserted in the middle of cake comes out clean. 
- Allow cake to cool in pan 5-10 minutes, then remove from pan to finish cooling on wire rack. 
- Sprinkle with powdered sugar or glaze. 
- Glaze: While beating, add water to sugar a few drops at a time until the glaze is just thin enough 
- to pour. Pour it over the cake and let it dribble down the sides.