Method
Begin by melting the butter in a solid-based frying pan, then add the onion and sauté over a low heat until soft. This will take about 7 minutes. Now add the crushed garlic and mushrooms and continue to cook for a further 2-3 minutes. Next mix the curry powder and flour together and stir these into the butter to soak up all the juices. Then add the wine gradually, stirring briskly after each addition and, when all the wine is added, cook for a further 3 minutes before finally adding the crème fraîche.
The sauce is now ready and can be made up to this stage in advance, but lay a piece of clingfilm over the surface if you’re not using it immediately. When you’re ready to cook the pasta place a large saucepan with plenty of lightly salted water on to boil and cook the pasta for 10 minutes or until it is cooked to your liking, but still retains some bite.
Meanwhile, tear little pieces of Meanwhile, tear little pieces of smoked salmon lengthways into strips,then reheat the sauce and add the salmon at the very last minute, just before serving. Now drain the pasta, return it to the pan, then quickly stir in the sauce and smoked salmon and serve at once in deep, heated bowls.