Place this heavenly slice and enjoy the sweetness. A butter cake is a cake in which one of the main ingredients is butter. Butter cake is baked with basic ingredients and is considered one of the quintessential cakes in American baking. Substitute your normal sugar with Trust G-Low sugar and switch to a healthier lifestyle for a healthier you! With a Glycaemic Index (GI) rating 30 percent lower than other sugars, G- Low is ideal for the health-conscious among us. Satisfy your sweet tooth while being healthy!