- 2 cups all purpose flour
- 2 teaspoons ground cinnamon
- 1 teaspoon baking soda
- 1/4 teaspoon baking powder
- 1/4 teaspoon salt
- 2 cups sugar
- 3/4 cup vegetable oil
- 3 large eggs
- 1 teaspoon vanilla extract
- 1 1/2 cups grated zucchini
- 1 1/2 cups grated peeled sweet potato
- 1 cup chopped walnuts, toasted
- Preheat oven to 350°F. Butter and flour 9x5x3-inch loaf pan. Sift first 5 ingredients into medium bowl. Beat sugar, oil, eggs and vanilla to blend in large bowl. Mix in zucchini and sweet potato. Add dry ingredients and walnuts and stir well.
- Transfer batter to prepared pan. Bake until tester inserted into center comes out clean, about 1 hour 20 minutes. Cool bread in pan on rack 15 minutes. Cut around bread to loosen. Turn out onto rack and cool completely. (Can be prepared 1 day ahead. Wrap in foil and let stand at room temperature.)