How To Make Soft Marble Butter Sponge Cake (Homebake & Less Sweet) Subscribe https://youtu.be/6f2P_x1iLFs Ingredients (6 inches round pan) (A) 1. 60g (6tbsps) melted butter 2. 65g (1/2cup full) cake flour 3. 1/4 tsp baking powder 4. A pinch of salt 5.