Chocolate Cake
["3 c. plain flour", "2 c. sugar", "1/2 c. baking cocoa", "1 level tsp. salt", "2 level tsp. baking powder", "2 Tbsp. vinegar", "2 tsp. vanilla", "2/3 c. salad oil", "2 c. cold water"]
["Combine all ingredients together.", "Beat 2 minutes with an electric mixer.", "Place in greased and floured 9 x 13-inch pan. Bake at 350\u00b0", "for 20 to 30 minutes."]
["flour", "sugar", "baking cocoa", "salt", "level tsp.", "vinegar", "vanilla", "salad oil", "cold water"]