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| salted butter: 1 cup |
| granulated sugar: 1 1/2 cups |
| eggs: 1 (large) |
| water: 1/4 cup |
| vanilla extract: 1 tsp |
| salt: 1/2 tsp |
| baking soda: 1/2 tsp |
| unsweetened cocoa powder (sifted): 1/3 cup |
| rolled oats: 3 cups |
| all-purpose flour (unsifted): 1 1/4 cups |
| milk chocolate chips: 12 oz |