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| unsalted butter: 1/2 cup (at room temperature) |
| granulated sugar: 1/2 cup |
| light brown sugar (packed): 1/2 cup |
| eggs: 1 (large) |
| pure vanilla extract: 1 tsp |
| all-purpose flour (unsifted): 1 1/2 cups |
| unsweetened cocoa powder (sifted): 1/4 cup |
| baking soda: 1/2 tsp |
| baking powder: 1/2 tsp |
| salt: 1/2 tsp |
| milk chocolate chips: 1/2 cup |
| semisweet chocolate chips (chips): 1/2 cup |
Credit: Food.com