We made this 60s/70s Birthday Cake for a themed party we went to last night.
The top tier is normal sponge and jam and the bottom tier is chocolate sponge with chocolate spread. Both were made from scratch rather than a mix. The tie-dye icing was made after dying some ready to roll icing various colours then twisting them together and folding a couple of times till the tie dye effect looked good enough. Then we rolled it out. This is actually our début cake having never made a cake before in our lives.
The smiley face was icing we dyed yellow then painted on the face with some writing icing.