Rainbow Birthday Cake how to DIY video tutorial easy recipe for rainbow cake. 7 tier multi coloured bright rainbow cake with step by step instructions.\r<br>\r<br>Since it has been a really miserable week here in the UK, this week I decided to make Rainbow Cake to brighten things up a bit.I had so much fun making this cake and I cannot wait to make it again. It tasted out of this world, looked incredible and it was even pretty simple to do. Next time, I think Ill cover the cake in pale blue icing to look like the sky. Im not a professional but baking is my hobby and I love to share my creations with you. Let me know what you would like me to do next and Ill see what I can do. If you have a go at this cake Id love to see it so please send me a photo!\r<br>\r<br>To make the sponge, youl need:\r<br>♡750g Self Raising Flour\r<br>♡750g Caster Sugar\r<br>♡750g Unsalted Butter\r<br>♡9 Free Range Eggs\r<br>♡Vanilla extr (optional)\r<br>♡ Red, Orange, Yellow, Green, Blue & Purple Food Colouring Paste (I used Wilton - \r<br>\r<br>\r<br>To make the buttercream:\r<br>♡400g Unsalted Butter\r<br>♡800g Icing Sugar/Powdered Sugar\r<br>♡Vanilla extr (optional)\r<br>♡ Red, Orange, Yellow, Green, Blue & Purple Food Colouring Paste (I used Wilton - \r<br>\r<br>For the decoration:\r<br>♡White Fondant Icing\r<br>\r<br>I simply used two 7 sandwich tins and baked the cakes two at a time. Oh and youll need lots of bowls too!
