Processed white bread

Ingredients: ✔️10 pieces of white bread ✔️3 stalks of celery leaves ✔️1 onion ✔️1 tomato ✔️1 green bell pepper ✔️Mayonnaise 2 tablespoons ✔️Salt 1/4 tablespoon ✔️Pepper powder 1 tablespoon ✔️1 stick mozzarella sensation cheese (can be replaced with regular cheese/kilo) ✔️Mozzarella sensation sheet cheese (can be skipped)