Which one should I use? Do they do the same thing? Why do you use one in some recipes and the other one in other recipes and some recipes you use BOTH??? The world of raising agents can seem confusing but honestly, it's not really. Sally is here to clear up a few things and answer your questions about the differences between Baking Powder and Bicarbonate of Soda (aka Baking SODA). Plus, we get to see things bubble up and get messy! Best. Day. Ever!-----MERCH MERCH MERCH!: http://cupcakejemma.comSUBSCRIBE FOR WEEKLY VIDS:https://www.youtube.com/user/CupcakeJemmaMORE CAKE: http://www.crumbsanddoilies.co.ukMY TWEETS: http://www.twitter.com/jemmawilsonMY INSTAGRAM: @cupcakejemmaCAKESTAGRAM: @crumbsanddoiliesVISIT OUR SHOP - Crumbs & Doilies1 Kingly CourtLondonW1B 5PW