| 2 1⁄4 | c | all-purpose flour |
| 1 1⁄2 | c | sugar |
| 1⁄4 | c | cocoa powder |
| 1 1⁄2 | tsp | baking powder |
| 1⁄2 | tsp | salt |
| 2 | eggs | |
| 1⁄2 | c | vegetable oil |
| 1⁄2 | c | buttermilk |
| 1⁄2 | c | Stonyfield Organic Whole Milk Plain Yogurt |
| 1 | tbsp | white vinegar |
| 1 | tsp | vanilla extract |
| Frosting: | ||
| 1 1⁄2 | c | Organic Nonfat Plain Greek Yogurt |
| 1 | c | confectioners' sugar (sifted) |
| 2 | tsp | vanilla extract |