Best Chocolate Cake
["2 c. all-purpose flour or cake flour", "2 c. sugar", "1 tsp. soda", "1 tsp. salt", "1/2 tsp. baking powder", "3/4 c. water", "3/4 c. buttermilk", "1/2 c. shortening", "2 eggs (1/3 to 1/2 c.)", "1 tsp. vanilla", "4 oz. melted unsweetened chocolate, cooled"]
["Heat oven to 350\u00b0.", "Grease and flour baking pans.", "You can use 13 x 9 x 2-inch or two 9-inch or three 8-inch round layer pans.", "Measure all ingredients into large mixing bowl.", "Blend for 1/2 minute on low speed, scraping bowl constantly.", "Beat for 3 minutes on high speed, scraping bowl occasionally.", "Pour evenly into pans."]
["flour", "sugar", "soda", "salt", "baking powder", "water", "buttermilk", "shortening", "eggs", "vanilla", "unsweetened chocolate"]