1 1/3 c. all-purpose flour
2 c. sugar
3/4 c. baking cocoa
1 tsp. baking powder
1/2 tsp. salt
1/2 c. chopped nuts
2/3 c. vegetable oil
4 eggs, lightly beaten
2 tsp. vanilla extract
1 c. chopped nuts (optional)

In a mixing bowl, combine the first 6 ingredients. In another bowl, combine oil, eggs and vanilla; add to dry ingredients. Do not overmix. Spread in a 13x9x2-inch baking pan. Sprinkle with nuts if desired.

Bake in a preheated 350°F oven for 20 to 25 minutes or until a toothpick inserted in the center comes out clean.