I bring to your attention an insanely delicious salad that is suitable both on weekdays and on holidays, moreover, this salad can be consumed in a fast... on days when food with vegetable oil is allowed!
Boil the rice, cool it. Cut fresh mushrooms and fry in vegetable oil, cool. Peel the cucumber, cut into small cubes, drain the liquid from the corn. Mix all the ingredients, add salt and season with mayonnaise to taste! The salad is ready!