Favorite Chocolate Cake With Sour Milk
["1 c. sugar", "1/2 c. shortening", "1 egg", "1/2 c. sour milk*", "8 Tbsp. cocoa", "1 1/2 c. sifted flour", "1/4 c. hot water", "2 tsp. vanilla"]
["*May substitute milk, with 1 teaspoon baking soda dissolved in it."]
["sugar", "shortening", "egg", "sour milk", "cocoa", "flour", "hot water", "vanilla"]