Frog cake of the first items to be selected as a South Australian Icon by the National Trust of South Australia during the 165th anniversary of the state, adding the frog cake to the National Heritage Listing as a "movable asset". Historically, the frog cake has sold well for Balfours, and at times sales have peaked in response to events surrounding the company. When the company was placed into receivership in 2000, a column in "The Advertiser" by Rex Jory called for people to support the company by purchasing the cakes, and in response sales doubled to an "all-time high". Similarly, the
Angel food cake a continuous mixer is preferred. There are three methods in which the cake can be made at home or in a commercial setting. The first two methods are most commonly used at home or in a small bakery using planetary mixers in various sizes. Large planetary mixers may have a vacuum in order to pressurize the ingredients. This allows for control of the emulsion and temperature. The first method is the foam process or angel food cake method. The egg whites are whipped until a foam is formed before any other ingredients are added. This method ensures that the foam