Sponge Cake

Ingredients
Sponge
- 180 g - Egg White
- 150 g - White Sugar
- 80 g - Powdered Sugar
- 15 g - Cake Flour
- 25 g - Cornstarch
- 200 g - Ground Cashew
- Beryls Premium Cocoa Powder
Butter Cream
- 210 g - Egg Yolk
- 350 g - Sugar
- 100 ml - Water
- 550 g - Flechard Unsalted Butter (82% Fat)
- 150 g - Beryl's Gourmet Hazelnut Chocolate Spread