Fondant is like a layer or coverage that offers a sculpture to your cake. it is also known as clayey icing coverage that will offer a particular shape to your cake. now if you think that it is how to give a sweet flavor to your cake’s base then sugar paste is the best choice it will help you you can get the natural sweet flavor to your cake . fondant sugar paste will offer a slightly sweet flavor the sculpture of your cake will offer a smooth base and look to your cake. fondant is mainly like a dough of floor that increases when it is rolled on which indirectly helps you in providing a smooth and attractive look to your cake.