Dice the bread, combine it with minced garlic and then drizzle it with olive oil. Dry it in the frying pan. Put the croutons on the paper napkin to get rid of the oil’s excesses and cool the croutons.
Cook the chicken in the salted water, cool and then dice it.
Rinse the mushrooms in the cold water. Chop them. All the ingredients should be of the same size.
Combine all the ingredients and dress the salad with mayonnaise before serving it.