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| salted butter: 1 cup (softened) |
| granulated sugar: 1 1/4 cups |
| eggs: 2 |
| sour cream: 2/3 cup |
| vanilla extract: 2 tsp |
| all-purpose flour (unsifted): 2 1/2 cups |
| baking soda: 1 tsp |
| baking powder: 1/2 tsp |
| salt: 1/2 tsp |
| unsweetened cocoa powder (sifted): 1/2 cup |
| zucchini squash (grated): 1 3/4 cups (shredded) |
| semisweet chocolate chips (chips): 1 cup |
| peanut butter: 3/4 cup |
Credit: Food.com