Start with frying 250 grams of mushrooms and put aside. Use the same pan to fry 4 chopped garlic cloves and 2 chopped leeks in some olive oil. Add 1 table spoon of dried thyme. Add 120 ml of light cream when the vegetables are al dente. Boil pasta for 2p. Add some pasta water to the sauce. Put everything together and add 150 grams of smoked salmon, pepper and a pinch of salt. Easy and tasty!