1 1/2 c. flour
1 c. sugar
1/2 c. cocoa powder
1 tsp. baking soda
1/2 tsp. salt
1 c. water
1/2 c. vegetable oil
2 tbsp. distilled white or cider vinegar
2 tsp. vanilla extract

Mix flour, sugar, cocoa, baking soda and salt in an 8 or 9 inch microwave safe baking dish.

Mix remaining ingredients in a 4 cup measure. Stir into flour mixture until well blended.

Microwave on high 6 or 7 minutes. Let cool 10 minutes. Moist spots on cake will dry. Serve warm or at room temperature.