Here are the ingredients that are needed to make this delicious and beautiful Instagram Rainbow Cake With Nutella. Also, be sure to watch the video below for full recipe.

Ingredients:

1 batch buttercream frosting
1x 750g tub of Nutella (150g for the buttercream)
4 x vanilla box cake mix (mine make 12-14 cupcakes or a 7″ round cake) + the stuff you need to make the cake up with
Food colour paste – I like Americolor colors and TULIP RED is the best red you can get for a rich red color
4 Twizzlers – red, green, yellow and blue
150g black candy melts, melted PLUS one left unmelted
A cake board
A bread knife
A ruler
A snap seal bag