Southern Chocolate Pound Cake
["1 c. butter", "1/2 c. shortening", "3 c. sugar", "6 eggs", "3 c. flour", "1/4 tsp. salt", "1/2 tsp. baking powder", "1/2 c. cocoa", "1 1/4 c. milk", "1 tsp. vanilla"]
["Preheat oven to 300\u00b0.", "Cream butter, shortening and sugar together.", "Add eggs, one at a time."]
["butter", "shortening", "sugar", "eggs", "flour", "salt", "baking powder", "cocoa", "milk", "vanilla"]