INGREDIENTS
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1¼ cups all-purpose flour
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1 tablespoon baking powder
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1 teaspoon salt
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12 ounces semisweet chocolate morsels/chips
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3 cups toasted walnut halves, finely chopped
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1 pound semisweet chocolate, finely chopped, such as Callebaut
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1 pound (4 sticks) unsalted butter, at room temperature, cut into pieces
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6 ounces unsweetened chocolate, finely chopped
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2¼ cups sugar
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7 large eggs, at room temperature
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2 tablespoons instant coffee or espresso powder
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2 tablespoons vanilla extract