Double-chocolate Cookies

Ingredients

 * 6 oz semisweet chocolate chips
 * 4 tbsp unsalted butter
 * ½ cup packed brown sugar
 * 1 tbsp vanilla extract
 * 1 tbsp brewed strong coffee
 * ¾ cup all-purpose flour
 * ½ cup cocoa powder, sifted
 * 1 tsp baking powder
 * ⅛ tsp salt
 * 1 large egg
 * 3 large egg whites
 * 1 cup granulated sugar

Directions

 * 1) Melt chocolate chips and butter in top of double boiler over boiling water and medium-low heat, stirring to blend.
 * 2) Stir in brown sugar, vanilla and coffee.
 * 3) Remove from heat, and set aside.
 * 4) Whisk together flour, cocoa, baking powder and salt.
 * 5) Using an electric mixer on high speed, beat whole egg, egg whites and granulated sugar until light and thick, for about 3 minutes.
 * 6) Reduce speed to low, and slowly add melted chocolate mixture.
 * 7) Beat in flour/cocoa mixture.
 * 8) Transfer to a smaller bowl, cover and refrigerate for about 3 hours.
 * 9) Preheat oven to 350°F.
 * 10) Lightly spray cookie sheets with nonstick cooking spray.
 * 11) Scoop heaping tablespoons of dough onto cookie sheet, placing them about 2 inches apart.
 * 12) Bake for about 15 minutes, or until center of cookie sets.
 * 13) Remove from oven, and cool on wire racks.