| 1 | c | butter (room temperature) |
| 1 | c | sugar |
| 3 | eggs | |
| 1 | tbsp | vanilla |
| 1 | c | Stonyfield Organic Whole Milk Plain Yogurt |
| 3 | c | unbleached all-purpose flour |
| 3 | tbsp | cocoa |
| 1 | tsp | baking soda |
| 1 | tsp | cinnamon |
| 1 | tsp | allspice |
| 2 | c | grated baking apples (squeezed to remove excess liquid) |
| 1 | c | chopped walnuts (optional) |
| 1 | c | semisweet chocolate chips |