Skillet Cake
["2 c. flour", "4 1/2 Tbsp. cocoa", "3/4 tsp. salt", "1 1/2 tsp. soda", "1 1/2 c. sugar", "1 1/2 Tbsp. vanilla", "1 1/2 Tbsp. vinegar", "1/2 c. oil", "1 1/2 c. water"]
["Mix the first 5 ingredients, then add the rest.", "Mix well. Pour into greased 9 x 13-inch cake pan.", "Bake at 350\u00b0 for 25 minutes."]
["flour", "cocoa", "salt", "soda", "sugar", "vanilla", "vinegar", "oil", "water"]