Boil the noodles in boiling salted water, rinse ice cold and drain very well.
Meanwhile, peel the carrots and onions and cut into small cubes. Melt 1 tablespoon butter in a saucepan, add the vegetables and sauté over a mild heat for 5 minutes.
Briefly blanch the peas in boiling salted water, rinse ice cold so that they keep their color, and drain well.
Dice the ham.
Grease a baking dish and preheat the oven to 180 degrees.
Mix the low-fat quark with the crème fraîche and the eggs in a large bowl and season well with salt, pepper and thyme.
Add the pasta and vegetables and mix everything well in the bowl.
Pour the pasta mixture into the baking dish and cook for 30 minutes.