Peel the potatoes and cut them into cubes, then fry them in the pan with oil for about 5 minutes. Dice the Leberkäse and add it. Add the thawed frozen vegetables. I put it in frozen, then it just takes a little longer. Finally add the hollandaise sauce and season everything with salt and pepper. Can be served when the potatoes are done.
If you want to save a few calories, you can leave out the hollandaise. Or put zucchini in it, or