INGREDIENTS
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1 1/4 cups (8 3/4 ounces) granulated sugar
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1 cup (7 1/2 ounces) brown sugar
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1 cup (7 ounces) vegetable oil
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2 large eggs
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2 teaspoons vanilla
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3/4 cup (2 ounces) cocoa, sifted after measuring
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1 1/2 teaspoons baking soda
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2 teaspoons baking powder
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1/4 teaspoon salt
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3 cups (12 3/4 ounces) King Arthur Unbleached All-Purpose Flour
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2 cups (16 ounces) brewed coffee (just warm)
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1 cup (6 ounces) semisweet chocolate chips, or coarsely chopped semisweet chocolate
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Topping
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1 cup (6 ounces) semisweet chocolate chips, or coarsely chopped semisweet chocolate
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1 cup (6 ounces) white chocolate chips, or coarsely chopped white chocolate