Instructions

  1. Preheat oven to 350°.
  2. Place butter and chocolate in a large microwave-safe bowl, and microwave at high 1 minute or until melted, stirring until smooth.
  3. Stir in sugar, water, and vanilla.
  4. Add egg whites and egg, stirring with a whisk.
  5. Lightly spoon flour into dry measuring cups, and level with a knife. Combine flour, baking powder, and salt, and add to chocolate mixture, stirring with a whisk until smooth.
  6. Coat bottom of a 13 x 9-inch baking pan with cooking spray; pour batter into pan.
  7. Bake at 350° for 30 minutes or until a wooden pick inserted in center comes out clean. Cool cake in pan on a wire rack.
  8. Serve cake with Coconut-Pecan Sauce.
  9. Coconut-Pecan Sauce:.
  10. Combine sugar and cornstarch in a medium, heavy saucepan.
  11. Add milk; stir with a whisk.
  12. Add butter. Bring to a boil over medium heat; cook 1 minute. Stir constantly.
  13. Remove from heat; stir in pecans, coconut, and vanilla. Serve warm over cake.