The depths of winter make this the peak of sauce season. Whether you love the classic comfort of tomato sauce or a rich, fragrant curry, on today's Please Explain we're sharing the secrets of sauce and answering your questions!

Chef James Peterson, author of the award-winning book Sauces: Classical and Contemporary Sauce Making, will take us through all the sauces, from traditional French hollandaise and béchamel, to Italian Osso Buco and North African Harissa sauce.  

Do you have questions about sauces and sauce-making? Send us your questions in a comment below, or let us know on Twitter or Facebook!