Prepare croutons: cut 5 pieces of white loaf into cubes, dry in a heated frying pan, put on a plate, squeeze out a couple of cloves of garlic and season with 1 tablespoon of oil.
Cut the fillet into medium-sized cubes and fry until soft, adding salt and pepper during frying.
Cut the vegetables into cubes.
Cut the eggs and cheese into medium-sized cubes and drain the liquid from the corn. Mix all the ingredients, add salt and pepper to taste and season with mayonnaise.