Defrost the peas. Peel and wash the carrots, cut them in half lengthwise and cut into thin slices. Prepare pasta in boiling salted water according to instructions on the packet. Add peas 3 minutes before the end of cooking time.
Clean, clean and slice the mushrooms. Heat oil in a pan. Fry the mushrooms and diced ham for 4-5 minutes. Mix eggs, cream and parmesan. Season with salt and pepper. Drain the pasta, carrots and peas and put them back into the pot.
Add mushrooms and ham. Pour egg milk over it and let it set a little while stirring. Arrange on plates garnished with some marjoram leaves.