Nonstick vegetable spray
1 1/2 cups bittersweet chocolate chips (about 9 ounces)
3 large egg whites, room temperature
2 cups powdered sugar, divided (plus 1/2 cup for cookie coating)
1/2 cup unsweetened cocoa powder
1 tablespoon cornstarch
1/4 teaspoon salt
Preheat oven to 350 degrees. Spray 2 large baking sheets with nonstick spray, set aside.
Melt 1 cup chocolate chips in glass bowl in microwave, stirring frequently, about 2 minutes. Set aside and let cool slightly.
Using electric mixer, beat whites in large bowl to soft peaks. Gradually beat in 1 cup of sugar. Continuing beating until mixture resembles soft marshmallow cream mixture.
Next add remaining 1/2 cup chocolate chips to lukewarm chocolate mixture (dough will become very stiff).
Add chocolate mixture to cream mixture and blend well.
Place remaining 1/2 cup powdered sugar in bowl. Roll 1 rounded tablespoon dough into ball; roll in sugar, coating thickly. Place on prepared sheet. Repeat with remaining dough spacing 2 inches apart.
Bake until puffed and tops crack, about 10 minutes. cool on sheets on rack 10 minutes.
Transfer to rack, cool.
Presented by: UT Medical Center