In a bowl combine mayonise, grated apple, grated carrot, black pepper powder, oregano, chilli flakes and salt. Mix it well. Once it is done then keep aside. Take 2 bread. Spread melted butter on each bread. Then add the mixture. Keep another bread on the top of the bread. Heat tawa. Place the bread on tawa. Brush oil in a bread. Fry till it is light brown on both sides of the bread.