Welcome to Kitchen Queries, where the nigella.com team will answer your cooking or food related questions.  We’d love you to submit some of your recipe problems, dilemmas or queries for us to get our teeth into!

Please note, we are only able to answer questions selected for publication and aren't able to enter into personal correspondence.

• Chocolate Biscuit Cake For The Royal Wedding

  I was reading that Prince William has requested a chocolate biscuit cake to be served at his wedding reception. I looked up the recipe and found one on-line. It seems to be a cake with store-bought rich tea biscuits baked into it. I was wondering if you had recipe for this cake? And if you had a recipe for these tea biscuits? They are not available around where I live. (USA/SC) Love your show, you have a wonderful television presence. Thank you, Christina Harper

  Posted by Christina77. Answered on 12th Apr 2011 at 12.00

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• Sunday lunch for 15

  Hi there, I need some help! I've been volunteered to cook a sunday lunch for 15 people and I don't know where to start. I do want to do a traditional roast, but can't think of a joint of meat big enough, apart from perhaps a large shoulder of pork? Or 2 legs of lamb? I will have access to a large gas range and double oven, so there should be plenty of space. Am also debating whether to do Nigella's ham in cherry coke as well, to increase the amount of food. In terms of side dishes I was thinking of potato dauphinoise, kale and a big green salad. Any thoughts or tips more than welcome! Thanks.

  Posted by ScarlettOHara. Answered on 11th Apr 2011 at 12.00

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• Chocolate Ganache Topping for Jaffa Cake Tart

  Hi I've been given a recipe for an amazingly huge adult jaffa cake but need advice on the chocolate topping as that doesn't seem to quite go right. The base is a typical sponge flan. the orangey middle bit is made up as an orange jelly with vodka and orange juice (making it adult only!) The chocolate topping is a ganache but it is soft and I would really like to make a properly crispy style topping instead so that its more authentically "jaffa cakey". Melting chocolate alone makes it hard to spread thinly so Im a bit stuck - any ideas? Thanks a lot.

  Posted by Jabbsy. Answered on 10th Apr 2011 at 12.00

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