Wacky Cake
["1 1/2 c. flour", "3 Tbsp. cocoa", "5 Tbsp. shortening", "1 c. water", "pinch of salt", "1 tsp. soda", "1 c. sugar", "1 tsp. vanilla", "1 Tbsp. vinegar"]
["Mix well and pour into a well-greased and floured baking pan. Bake at 250\u00b0 until well done, 40 to", "50 minutes."]
["flour", "cocoa", "shortening", "water", "salt", "soda", "sugar", "vanilla", "vinegar"]