However, chefs and bakers know that certain basic ingredients are needed before all the fancy ingredients can come in. These ingredients are flour and water, which set a background for the eggs, baking powder, and flavors to come in. These “extra ingredients” allow the pastry chef to customize, style, and bake to suit the occasion. The scaffold widget allows one to customize pages in an app by providing frame/base ingredients. After we declare the scaffold, we can tap into its API to utilize the other children widgets within.