Preheat the oven to 170°C (338°F).
Combine cake flour, baking powder, and yellow cheese powder in a bowl.
In another bowl, mix egg, sugar, and melted butter together.
Add the dry ingredients to the wet ingredients to make a dough.
Mix in nuts evenly.
Shape the dough into a long oval and place it on a baking tray.
Bake in the oven at 170°C for 20 minutes.
After cooling, slice the loaf into even pieces.
Place the sliced dough back onto the tray and bake at 160°C (320°F) for another 10-15 minutes.