In this video, we learn how to make brown sugar cocoa fudge icing. You will need: 2 c brown sugar, 1 stick butter, 4 tbsp cocoa, 4 tbsp milk, 1 tsp vanilla extract, and 1 tsp baking soda. To start, mix all the ingredients except the baking soda in a saucepan and mix until well combined. Bring to a boil for one minute then remove from the heat. Add in the baking soda and then beat until the icing is thick. After this, let it cool of and then use it for your cakes or cupcakes! You can also heat it up to use as an ice cream topping.