Cook the garlic with creme fraiche, cream and broth for 5 minutes, then season the sauce with salt and pepper. Cook the zucchini for about 3 minutes. Finally mix the zucchini with the pasta, mushrooms and garlic cream and put everything in a greased baking dish. Sprinkle with the cheese.
Bake in a preheated oven at 180 ° C for about 30 minutes.