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| granulated sugar: 1 cup |
| ground cinnamon: 2 tsp |
| eggs: 2 |
| vegetable oil: 1/2 cup |
| whole plain yogurt: 1/2 cup |
| vanilla extract: 1 tsp |
| zucchini squash (grated): 1 cup |
| all-purpose flour (unsifted): 1 3/4 cups |
| baking soda: 1 tsp |
| salt: 1 tsp |
| walnuts (chopped): 2/3 cup (optional) |