Wow! Have we got a treat for you Food Tubers? A simple sponge cake recipe with delicious buttercream icing, tangy Lemon Curd and exquisite Marshmallow Meringue top. Jemma shows you every step of the way in this extended how-to video.Love Jemma? Then check out her own channel for loads more great baking recipes and tips: http://goo.gl/D5XAxQWhat other things would you like Jemma to make? Any baking tips and tricks you want to know? Let us know guys - we're here to help!What's your favourite icing Food Tubers? Talk to us and share the love in the comments box below. We'd love to hear from you.Links from the video:Perfect Buttercream Icing | http://goo.gl/1hKjVqPerfect Lemon Curd | http://goo.gl/u5BAIKRainbow Icing | http://goo.gl/zSyJOjMore Food Tube videos | http://goo.gl/CTYU8FFor more nutrition info, click here: http://jamieol.com/D3JimMJamie Oliver's Food Tube | http://goo.gl/EdJ0vKSubscribe to Food Tube | http://goo.gl/v0tQrTwitter: https://twitter.com/JamiesFoodTubeTumblr: http://jamieoliverfoodtube.tumblr.com/Facebook | http://goo.gl/7R0xdhMore great recipes | http://www.jamieoliver.com#FOODTUBEx