1 1/2 c. flour
1 c. sugar
3 tbsp. cocoa
1 tsp. baking soda
1/2 tsp. salt
6 tbsp. cooking oil
1 tbsp. vinegar
1 tsp. vanilla
1 c. cold water
1-3 tsp. red food coloring, if desired

Mix all of the dry ingredients together. Make a well inside the dry ingredients. Add cold water, oil, vanilla, vinegar and red food coloring (cold water will foam when the vinegar is added). Mix together with dry ingredients. Put into a 5 x 9 inch greased and floured pan. Bake at 350 degrees for 35-40 minutes.