Bring 1 litre of water and 1/2 teaspoon of salt to the boil. Cook the rice in the cooking bag for 8 minutes. Rinse red beans briefly and drain. Cut roast pork and cucumber into slices.
Clean, wash and slice the mushrooms. Peel onions and cut into thin slices. Wash and finely chop parsley. Peel garlic and add to the gypsy sauce using a garlic press.
Season to taste with 2-3 tablespoons of cucumber water and chilli powder. Rinse rice briefly with cold water and drain. Mix with the prepared ingredients and let it stand for a short time. Season again.