- Ingredientsbr Genoise ( Diameter 15cm )br - Egg 100 gbr - Sugar 65 g br - Honey 15 g br - Cake flour 60 gbr - Butter 15 gbr br Sweet potato Fillingbr - Sweet potatoes 500 g br - Sugar 50 gbr - Heavy cream 350 gbr br Icingbr - Heavy cream 200 gbr - Sugar 20 g