Bring 3-4 l salt water (approx. 1 teaspoon salt per litre) to the boil. Clean the mushrooms, wash them briefly if necessary and cut them into slices or halve them. Wash and halve the tomatoes. Wash thyme, shake dry and chop coarsely.
Cook the pasta in boiling salted water according to the package instructions.
In the meantime cut the bacon into strips. Fry in a pan without fat for 1-2 minutes. Add mushrooms and fry for 4-5 minutes more. Add tomatoes and fry briefly. Season with salt and pepper.
Add a good 1/4 l water and bring to the boil. Stir in cream cheese and thyme. Simmer the sauce for about 2 minutes. Season to taste with salt and pepper. Drain the pasta and mix with the sauce.