3 c. flour
2 c. sugar
2 tsp. baking soda
1 tsp. salt
1/3 c. cocoa
3/4 c. salad oil
2 tsp. vinegar
1 tsp. vanilla
2 c. water

Mix right in ungreased pan (9 x 13). Sift dry ingredients together. Add oil, vinegar, vanilla, and water; blend until all lumps are out. Bake at 350 degrees for 40 minutes.