In an UNGREASED 9x13 inch pan, mix
3 cups plain flour
2 cups sugar
½ cup cocoa
1 tsp each, soda and salt
Make three holes in the above mixture. In one pour 1 TBSP vinegar, in next put 2 tsp vanilla and in the third put ¾ cup cooking oil. Pour 2 cups water over all and mix well with a fork. Bake 45 minutes at 350 deg or until cake tests done.