INGREDIENTS
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For the Brownies:
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1/3 cup Dutch-processed cocoa
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1 1/2teaspoons instant espresso (optional)
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1/2 cup plus 2 tablespoons boiling water
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2 ounces unsweetened chocolate, finely chopped
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4 tablespoons (1/2 stick) unsalted butter, melted
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1/2 cup plus 2 tablespoons vegetable oil
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2 large eggs
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2 large egg yolks
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2 teaspoons vanilla extract
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2 1/2 cups (17 1/2 ounces) sugar
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1 3/4 cups (8 3/4 ounces) unbleached all-purpose flour
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3/4 teaspoon table salt
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6 ounces bittersweet chocolate, cut into 1/2-inch pieces
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3/4 cup coarsely chopped peanuts
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For the Peanut Butter Layer:
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1 (14 oz) can sweetened condensed milk)
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1/2 cup peanut butter