unsweetened cocoa powder
1Heat oven to 350 Spray a 9" x 13" pan w/ cooking spray. In lg bowl mix together sugar, flours, baking soda, salt and cocoa powder.
2Add water, oil, vinegar and vanilla. Beat until smooth.
3Pour batter into pan. Bake 40 min, or until a toothpick inserted in center comes out clean.
About addictive chocolate cake