Put the pasta, tomatoes and cream in a microwave-safe casserole dish (Micro 3 - 1.75 liter bowl). Cut the salami into cubes and add to the bowl with the mushrooms. Season to taste with the spices and stir well.
Cook in the microwave for 10 minutes at 600 watts with the lid closed. Then stir the mixture briefly, sprinkle with the grated cheese and cook for another 10 minutes at 600 watts. After standing for 5 minutes, the casserole can be served.