In a large pot cook ... beans, carrots, and can of mixed vegetables. Continue cooking ... hour. Last add potatoes and cabbage (cut up). Continue ... and pepper to taste.
Lightly brown onions and mushrooms in butter. Wash potatoes, slice thinly. In 1 1/2 quart casserole, arrange potato slices, sprinkle salt, pour spoonfuls of slightly thinned mushroom soup.