INGREDIENTS
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2 cups all purpose flour
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1 1/3 cups unsweetened cocoa powder
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1 teaspoon salt
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8 large eggs
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4 cups sugar
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1 pound ( 4 sticks) unsalted butter, melted
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1 tablespoon plus 2 teaspoons pure vanilla extract
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2 cups coarsely chopped walnuts ( I omit)
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2 cups ( 12 ounces) semisweet chocolate chips