Chocolate Sheet Cake
["2 1/4 c. plain flour", "2 c. sugar", "1/2 tsp. salt", "4 Tbsp. cocoa", "1 c. water", "1 stick butter", "1/2 c. cooking oil", "2 eggs", "1/2 c. buttermilk", "1 tsp. soda", "1 tsp. vanilla"]
["Combine flour, sugar, salt and cocoa in bowl.", "Bring to boil water,", "butter and cooking oil in saucepan.", "Then pour in bowl with dry ingredients.", "Beat well.", "Then add eggs, buttermilk, soda and vanilla.", "Beat well and pour into a greased and floured 13 x 9-inch pan.", "Bake at 350\u00b0 for 30 minutes."]
["flour", "sugar", "salt", "cocoa", "water", "butter", "cooking oil", "eggs", "buttermilk", "soda", "vanilla"]