You’ll Need:1/2 cup(s) , Water 1/4 cup(s) , Butter 1 cup(s) , Flour 3/4 cup(s) , Sugar 3 tablespoon(s) , Unsweetened Cocoa 1/2 cup(s) , Baking Soda 1/4 teaspoon(s) , Salt 1/4 teaspoon(s) , Cinnamon 1/4 cup(s) , Buttermilk 1/2 teaspoon(s) , Vanilla 1 large , Egg 1 cup(s) ,