Corned Beef with mustard

12 ounces leftover cooked corned beef , cut into 1/2 inch cubes 1 lb baking potato , peeled, cut into 1/2 inch cubes 1/2 teaspoon salt 1 tablespoon butter 1[...]

2 cups left over cooked corned beef , trimmed 2 medium boiled potatoes, quartered 2 -3 boiled carrots , halved 1 cup cooked turnips or 1 cup parsnip 2 eggs 1[...]