Wacky Cake
["3 c. flour", "2 c. sugar", "2 tsp. soda", "1 tsp. salt", "6 Tbsp. cocoa powder", "2 tsp. vanilla", "2 tsp. vinegar", "2/3 c. oil", "2 c. cold water (added last)"]
["Preheat oven to 350\u00b0. Mix ingredients in a large bowl in the order given, adding water last. Stir only until moistened. Pour into a 9 x 13-inch pan sprayed with Pam.", "Bake for 30 minutes. Cool on rack.", "Serve with chilled peaches and whipped topping or ice cream."]
["flour", "sugar", "soda", "salt", "cocoa powder", "vanilla", "vinegar", "oil", "cold water"]