RAINBOW CheckerBoard Cake - How to Make a Surprise Inside Rainbow Cube Cake

SUBSCRIBE HERE: You’ve all see the traditional Checker Board cake design but today I’m showing you how to make it super colourful with a Rainbow checkerboard design, hidden as a surprise inside this beautiful cake! Tools & Equipment: Double batch of buttercream frosting (link below) Double batch vanilla or white cake mix Food colouring - I used Americolour electric orange, electric yellow, electric purple, tulip red, mint green and electric blue 2 spoons Butter knife Ruler