Black Gold Cookies

Ingredients

• 1 tablespoon vanilla extract
• 1 tablespoon instant espresso powder
• ¾ teaspoon salt
• 6 tablespoons all-purpose flour
• 18 tablespoons sugar
• 3 large eggs
• 9 tablespoons unsalted butter
• + 5 more ingredients
• • 18 ounces semisweet chocolate
  • 3 ounces unsweetened chocolate
  • ½ teaspoon baking powder
  • 1 ½ cups walnuts
  • 1 ½ cups pecans

Preheat oven to 325°F.. In a double boiler or a metal bowl set over a pan of barely simmering water melt unsweetened chocolate, 9 ounces semisweet chocolate, and butter, stirring occasionally, and remove top of double boiler or bowl from heat. In a bowl with an electric mixer beat eggs with sugar...

View full recipe at Epicurious