Cauliflower sorghum risotto

Prepare the cupcake mix according to package instructions. Divide the batter between 2 x 20 cm cake tins and bake according to package instructions.
Make the icing according to package instructions, then use to sandwich the cakes together and decorate the sides and top.
Repeat for as many tiers as you desire! Decorate with the Caramel Treat.
This recipe features in the TASTE 15th birthday Collector's Issue - on sale now!
Can you stack multiple cakes like in the picture without using boards and dowels? Or did you use them?