1 1/2 c. flour (self-rising or plain with 1 tsp. salt)
2 c. sugar
8 tbsp. cocoa
2 tsp. vanilla
1 c. vegetable oil
4 eggs
1/4 c. water
1/2 c. walnuts (optional)

Mix all ingredients well. Pour in 11x15 inch pan. Bake at 350 degrees for 30-35 minutes.