put the cut vegetables and mushrooms in a frying pan with a very small amount of water (so that only the bottom of the frying pan is covered, not the vegetables and mushrooms). Put a cover on the frying pan and cook everything on a big heat/flame by mixing occasionally. Important (!) – during cooking mushrooms and zucchini will lose water, so the small amount of water should be sufficient throughout the whole cooking, but in any case, always keep an eye on the ingredients, so they don’t start to burn. In case it happens, add some extra water;