Salad with champignons, chicken and pineapple

Boil the fillet, cut into cubes.

Onion cut into cubes.

Drain the liquid from the mushrooms, cut into smaller pieces if necessary.

Drain the liquid from the pineapples, cut into smaller pieces if necessary.

Fry onion with mushrooms in a pan with vegetable oil.

Mix all the ingredients, salt and season with mayonnaise.

Put in the refrigerator for 1 hour.